Math, asked by chhatikchhatik, 9 months ago

cos 32° sin 20° + cos 144° cos2° + sin 68° cos56= 0

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Answered by Anonymous

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Cos32°sin20°+cos144°cos2 °+sin68°cos56°=0 prove it. 1 ... =1/2{sin52°+ sin124°+cos(180°-34°)+cos(180°-38°)}. =1/2{ sin(90°-38°)+sin(90°+34°)-cos34

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