6 วิชาคณิตศาสตร์ · pdf file53/54) 25. ก...

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  • 6

    .6/

    .. ()

    33 ()

    (Ordinary National Educational Test: O-NET)

  • O-NET 6 O-NET 6

    1. ABC B A 30 24 3 AB (O-NET: .48/49) 1. 12 2. 14 3. 16 4. 18

    2. ABC C BC 10 3 AB 20 C AB D CD (O-NET: .48/49) 1. 5 2 2. 5 3 3. 10 2 4. 10 3

  • O-NET 6 O-NET 6

    3. ABC 15 C sin B = 3sin A AB (O-NET: .48/49) 1. 5 2. 5 3 3. 5 2 4. 10

    4. ABC B

    cot A = 512 10cosec A + 12sec A (O-NET: .

    48/49 )

  • O-NET 6 O-NET 6

    5. ABC B cos A = 53

    cos(B A) (O-NET: .48/49 )

    6. ABC C BC 6 D AC CDB = 70 DBA = 10 AB (O-NET: .49/50) 1. 4 3 2. 5 3 3. 8 4. 10

  • O-NET 6 O-NET 6

    7. ABC A B = 30 D E AB BC DE AC DE 5 EC 6 AC (O-NET: .49/50) 1. 7.5 2. 8 3. 8.5 4. 9

    8. 6 A, B, C AB BAC = 60 ABC (O-NET: .49/50) 1. 15 3 2. 16 3 3. 18 3 4. 19 3

  • O-NET 6 O-NET 6

    9. 1 (O-NET: .50/51)

    1. 23 2. 2 3

    3

    3. 34 4. 2

    3

    10. ABC C cos B = 32

    BC 1 ABC (O-NET: .50/51)

    1. 55 2. 4

    5

    3. 35 4. 2

    5

  • O-NET 6 O-NET 6

    11. ABCD 13

    tan DBA = 31 AE BD E AE

    (O-NET: .50/51)

    1. 310 2. 5

    102

    3. 210 4. 5

    103

    12. EFC , BAC , BEA BDE (O-NET: .50/51) 1. sin 1 = sin 5 2. cos 3 = cos 5 3. sin 2 = sin 4 4. cos 2 = sin 3

  • O-NET 6 O-NET 6

    13.

    (O-NET: .51/52) 1. sin 21 = cos 69 2. sin 21 = cos 21 3. cos 21 = tan 21 4. tan 21 = cos 69

    14. (O-NET: .51/52) 1. sin 30 < sin 45 2. cos 30 < cos 45 3. tan 45 < cot 45 4. tan 60 < cot 60

  • O-NET 6 O-NET 6

    15. A B C

    A B C sin cos tan

    40 0.643 40 0.766 40 0.839 41 0.656 41 0.755 41 0.869 42 0.669 42 0.743 42 0.900

    ABC B C 41 BX 1

    AX (O-NET: .51/52) 1. A 2. B 3. C 4. A, B C

  • O-NET 6 O-NET 6

    16. A B

    (O-NET .52/53) 1. 1.5 2. 3 3. 2 4. 2 2

    17. sin cos

    7, 24 25 (O-NET .52/53)

    72 0.951 0.309 73 0.956 0.292 74 0.961 0.276 75 0.966 0.259

    1. 15 2. 16 3. 17 4. 18

  • O-NET 6 O-NET 6

    18. 60 3 - 3 (O-NET .52/53) 1. 2 - 3 2. 2 + 3 3. 2 3 - 3 4. 2 3 + 3

    19. 2 45 30 (

    3 1.73) (O-NET .52/53) 1. 1.00 2. 1.46 3. 2.00 4. 3.46

  • O-NET 6 O-NET 6

    20. ABC CAB D AC A = 20 BDA (O-NET .53/54) 1. 80 2. 100 3. 120 4. 140

    21. ABC C = 90 D AB CD AB AD (O-NET .53/54) 1. 10 2. 12 3. 14 4. 16

  • O-NET 6 O-NET 6

    22. 10 40 90 (O-NET .53/54) 1. 10 2. 10 2 3. 10 3 4. 20

    23. 2cos2 + cos = 1 0 90 (O-NET .53/54)

  • O-NET 6 O-NET 6

    24. cosec30

    59cos35cos35sin31sin tan55 (O-NET .

    53/54)

    25. ABC AD D BC AB 5 , AD 3 DCADAB BC (O-NET .53/54)