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25 October, 04:57

If the sin (3x + 10) º = cos (x + 24) º, find x.

A) x = 10

B) x = 14

C) x = 20

D) x = 28

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Answers (2)
  1. 25 October, 05:09
    0
    x = 14

    Since sine and cosine are equal, the angles must be complementary.

    3x + 10 + x + 24 = 90

    4x + 34 = 90

    4x = 56

    x = 14
  2. 25 October, 05:14
    0
    B) x=14

    Step-by-step explanation:

    Since sine and cosine are equal, the angles must be complementary.

    3x + 10 + x + 24 = 90

    4x + 34 = 90

    4x = 56

    x = 14

    your welcome and everyone is smart some just dont know one of the answers
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