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3 December, 01:37

Which trigonometric value is equal to cos 62°? A) cos 28° B) sec 28° C) sin 28° D) tan 28°

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Answers (2)
  1. 3 December, 02:03
    0
    The solution is found by applying the definition of complementary trig functions:

    Cos (&Theta) = sin (90°-&Theta)

    cos (62°) = sin (90°-62°)

    Therefore the solution is sin 28°.
  2. 3 December, 02:04
    0
    Your answer should be C
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