12 x1 t05 02 inverse trig functions (2012)

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Inverse Trigonometric Functions

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Page 1: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functions

Page 2: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

Page 3: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinxy sin y

1

-1

22 x

Page 4: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinDomain: all real x

Range: 11 y

xy sin y1

-1

22 x

Page 5: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinDomain: all real x

Range: 11 y

NO INVERSE

xy sin y1

-1

22 x

Page 6: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinDomain: all real x

Range: 11 y

NO INVERSERestricted Domain:

22

x

xy sin y1

-1

22 x

Page 7: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinDomain: all real x

Range: 11 y

NO INVERSERestricted Domain:

Range: 11 y22

x

xy sin y1

-1

22 x

Page 8: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinDomain: all real x

Range:

xyf 11 sin:

11 y

NO INVERSERestricted Domain:

Range: 11 y22

x

xy sin y1

-1

22 x

Page 9: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinDomain: all real x

Range:

xyf 11 sin:

Domain:

Range:

11 y

NO INVERSERestricted Domain:

Range: 11 y22

x

11 x

22

y

xy sin y1

-1

22 x

Page 10: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinDomain: all real x

Range:

xyf 11 sin:

Domain:

Range:

11 y

NO INVERSERestricted Domain:

Range: 11 y22

x

11 x

22

y

xy sin y1

-1

22 x

Page 11: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sinDomain: all real x

Range:

xyf 11 sin:

Domain:

Range:

11 y

NO INVERSERestricted Domain:

Range: 11 y22

x

11 x

22

y

xy sin y1

-1

22 xy

x-1 1

2

2

Page 12: 12 x1 t05 02 inverse trig functions (2012)

Inverse Trigonometric Functionsxy 1sin

xy sin

xy 1sin

Domain: all real x

Range:

xyf 11 sin:

Domain:

Range:

11 y

NO INVERSERestricted Domain:

Range: 11 y22

x

11 x

22

y

xy sin y1

-1

22 xy

x-1 1

2

2

Page 13: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos

Page 14: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

xy cos

y1

-1

22 x

Page 15: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

Domain: all real x

Range: 11 y

xy cos

y1

-1

22 x

Page 16: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

Domain: all real x

Range: 11 y

NO INVERSE

xy cos

y1

-1

22 x

Page 17: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

Domain: all real x

Range: 11 y

NO INVERSE

Restricted Domain: x0

xy cos

y1

-1

22 x

Page 18: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

Domain: all real x

Range: 11 y

NO INVERSE

Restricted Domain:

Range: 11 y

x0

xy cos

y1

-1

22 x

Page 19: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

Domain: all real x

Range:

xyf 11 cos:

11 y

NO INVERSE

Restricted Domain:

Range: 11 y

x0

xy cos

y1

-1

22 x

Page 20: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

Domain: all real x

Range:

xyf 11 cos:

Domain:

Range:

11 y

NO INVERSE

Restricted Domain:

Range: 11 y

x0

11 x y0

xy cos

y1

-1

22 x

Page 21: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

Domain: all real x

Range:

xyf 11 cos:

Domain:

Range:

11 y

NO INVERSE

Restricted Domain:

Range: 11 y

x0

11 x y0

xy cos

y1

-1

22 x

Page 22: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

Domain: all real x

Range:

xyf 11 cos:

Domain:

Range:

11 y

NO INVERSE

Restricted Domain:

Range: 11 y

x0

11 x y0

xy cos

y1

-1

22 x

y

x-1 1

2

Page 23: 12 x1 t05 02 inverse trig functions (2012)

xy 1cos xy cos

xy 1cos

Domain: all real x

Range:

xyf 11 cos:

Domain:

Range:

11 y

NO INVERSE

Restricted Domain:

Range: 11 y

x0

11 x y0

xy cos

y1

-1

22 x

y

x-1 1

2

Page 24: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan

Page 25: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

xy tan

y

x

Page 26: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

Domain:

Range: all real yintegeran is

where2

except real all

k

kx

x

xy tan

y

x

Page 27: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

Domain:

Range: all real yintegeran is

where2

except real all

k

kx

x

NO INVERSE

xy tan

y

x

Page 28: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

Domain:

Range: all real yintegeran is

where2

except real all

k

kx

x

NO INVERSERestricted Domain:

22

x

xy tan

y

x

Page 29: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

Domain:

Range: all real yintegeran is

where2

except real all

k

kx

x

NO INVERSERestricted Domain:

Range: all real y22

x

xy tan

y

x

Page 30: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

Domain:

Range: all real y

xyf 11 tan:

integeran is

where2

except real all

k

kx

x

NO INVERSERestricted Domain:

Range: all real y22

x

xy tan

y

x

Page 31: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

Domain:

Range: all real y

xyf 11 tan:

Domain: all real x

Range:

integeran is

where2

except real all

k

kx

x

NO INVERSERestricted Domain:

Range: all real y22

x

22

y

xy tan

y

x

Page 32: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

Domain:

Range: all real y

xyf 11 tan:

Domain: all real x

Range:

integeran is

where2

except real all

k

kx

x

NO INVERSERestricted Domain:

Range: all real y22

x

22

y

xy tan

y

x

y

x

2

2

Page 33: 12 x1 t05 02 inverse trig functions (2012)

xy 1tan xy tan

xy 1tan

Domain:

Range: all real y

xyf 11 tan:

Domain: all real x

Range:

integeran is

where2

except real all

k

kx

x

NO INVERSERestricted Domain:

Range: all real y22

x

22

y

xy tan

y

x

y

x

2

2

Page 34: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

Page 35: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

Page 36: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

xx 11 tantan (odd function)

Page 37: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

xx 11 tantan (odd function)

2cossin 11

xx sum

Page 38: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

xx 11 tantan (odd function)

2cossin 11

xx sum

e.g. Find the exact value of;

1tan3tan 11 i

Page 39: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

xx 11 tantan (odd function)

2cossin 11

xx sum

e.g. Find the exact value of;

1tan3tan 11 i

43

Page 40: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

xx 11 tantan (odd function)

2cossin 11

xx sum

e.g. Find the exact value of;

1tan3tan 11 i

43

12

Page 41: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

xx 11 tantan (odd function)

2cossin 11

xx sum

e.g. Find the exact value of;

1tan3tan 11 i

43

12

21sin

21sin 11ii

Page 42: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

xx 11 tantan (odd function)

2cossin 11

xx sum

e.g. Find the exact value of;

1tan3tan 11 i

43

12

21sin

21sin 11ii

64

Page 43: 12 x1 t05 02 inverse trig functions (2012)

xx 11 sinsin (odd function)

xx 11 coscos

2 shiftedfunction odd

xx 11 tantan (odd function)

2cossin 11

xx sum

e.g. Find the exact value of;

1tan3tan 11 i

43

12

21sin

21sin 11ii

64

125

Page 44: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

Page 45: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

Page 46: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

Page 47: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

Page 48: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv

Page 49: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

Page 50: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

Page 51: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

53coslet 1

Page 52: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

3

553coslet 1

Page 53: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

3

545

3coslet 1

Page 54: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

cossin2 3

545

3coslet 1

Page 55: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

cossin2 3

545

3coslet 1

53

542

Page 56: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

cossin2 3

545

3coslet 1

53

542

2524

Page 57: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

cossin2 3

545

3coslet 1

53

542

3cos2cos 1 vi

2524

Page 58: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

cossin2 3

545

3coslet 1

53

542

3cos2cos 1 vi

212cos 1

2524

Page 59: 12 x1 t05 02 inverse trig functions (2012)

4140sincos 1iii

4140sin 1

4041

9

419

6

5sinsin 1 iv6

53cos2sin 1v

cossin2 3

545

3coslet 1

53

542

3cos2cos 1 vi

212cos 1

01cos 1

25

24

Page 60: 12 x1 t05 02 inverse trig functions (2012)

41cos

32sintan 11vii

Page 61: 12 x1 t05 02 inverse trig functions (2012)

41cos

32sintan 11vii

32sinlet 1

Page 62: 12 x1 t05 02 inverse trig functions (2012)

41cos

32sintan 11vii

32sinlet 1

2 3

5

Page 63: 12 x1 t05 02 inverse trig functions (2012)

41cos

32sintan 11vii

32sinlet 1

2 3

5

1

415

41coslet 1

Page 64: 12 x1 t05 02 inverse trig functions (2012)

41cos

32sintan 11vii

32sinlet 1

2 3

5

1

415

41coslet 1

tantan1tantan

Page 65: 12 x1 t05 02 inverse trig functions (2012)

41cos

32sintan 11vii

32sinlet 1

2 3

5

1

415

41coslet 1

tantan1tantan

155

21

155

2

Page 66: 12 x1 t05 02 inverse trig functions (2012)

41cos

32sintan 11vii

32sinlet 1

2 3

5

1

415

41coslet 1

tantan1tantan

155

21

155

2

1525352

51525

5352

Page 67: 12 x1 t05 02 inverse trig functions (2012)

41cos

32sintan 11vii

32sinlet 1

2 3

5

1

415

41coslet 1

tantan1tantan

155

21

155

2

1525352

51525

5352

Exercise 1B; 1 to 5 ace etc, 6, 7ac, 8ac,9, 10ac, 11, 12ac, 14 to 20 evens