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1 June, 09:56

If sin (3x+2) = cos (4x-10), what is the value of x to the nearest tenth?

A. 7.6

B. 12.0

C. 14.0

D. 26.9

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Answers (1)
  1. 1 June, 13:36
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    sin (3x + 2) = cos (4x - 10)

    sin (3 (14) + 2) = cos (4 (14) - 10)

    sin (42 + 2) = cos (57 - 10)

    sin (44) = cos (47)

    0.7 ≈ 0.7

    It is equal to C.
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