Transcript
Page 1: Pre-Cal 40S Slides February 5, 2008

Pies are circles are too.

... and Pi Day is coming ...

Pi pie

Page 2: Pre-Cal 40S Slides February 5, 2008

D is an angle in degrees R is an angle in radians

CONVERTING DEGREES AND RADIANS

Page 3: Pre-Cal 40S Slides February 5, 2008
Page 4: Pre-Cal 40S Slides February 5, 2008

Convert 20° into radians.

Page 5: Pre-Cal 40S Slides February 5, 2008

Convert 25° into radians.

Page 6: Pre-Cal 40S Slides February 5, 2008

Convert radians into degrees.

Page 7: Pre-Cal 40S Slides February 5, 2008

Convert radians into degrees.

Page 8: Pre-Cal 40S Slides February 5, 2008
Page 9: Pre-Cal 40S Slides February 5, 2008

A bicycle wheel has a diameter of 0.4 meters. A point on the outer rim travelled 2.6 m. How many radians has the wheel turned?

Page 10: Pre-Cal 40S Slides February 5, 2008

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