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3 July, 03:57

Sin x = cos 19

what is the value of x? enter your answer in the box.

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  1. 3 July, 04:09
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    Step-by-step explanation:

    Recall that sin (90° - x) = cos x. Thus, cos 19° = sin (90° - 19°) = sin 71°

    Thus, x = 71°
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