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19 December, 14:03

Simplify sin 1° cos 2°+cos 1° sin 2°

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  1. 19 December, 14:07
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    sin3°

    Step-by-step explanation:

    Using the addition formula for sine

    sin (x + y) = sinxcosy + cosxsiny

    Thus

    sin1°cos2° + cos1°sin2° = sin (1 + 2) ° = sin3°
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