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28 June, 20:07

Type the correct answer in the box.

If cos x = sin (20 + x) º and 0°

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  1. 28 June, 23:13
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    (x/°) + (20+x) / °=90/°

    solve for x

    2x=90-20

    2x=70

    x = 70/2

    x = 35 degrees.
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