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4 August, 10:59

What is the value of x?

sin 49° = cos x

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  1. 4 August, 11:21
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    Answer: x=41

    Sin, cos and tan are part of the trigonometric function. Sin is calculated from opposite/hypotenuse, while cos is calculated from adjacent/hypotenuse.

    There is some formula that can be derived from the equation. One of them is sin (90-x) = cos x

    If you use it, the calculation would be:

    sin 49° = cos x

    sin 49 = sin (90-x)

    49 = 90-x

    x = 90-49 = 41
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