Math, asked by avinashmatta1974, 18 days ago

cos3A+cosA/sin3A+sinA prove that

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Answered by shubham2008roy

Answer:

cos3a - cosa / sin3a – sina + cos2a - cos4a / sin4a - sin2a = Sina / cos2a cos3a is simple to prove that they are equal. It is sensible trick to get thing in terms of sinA and cosA.

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cos3A+cosA/sin3A+sinA prove that​

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cos3A+cosA/sin3A+sinA prove that