Math, asked by Mansi4946, 1 year ago

1. Prove that x^4 – y^4 = b^2 – a^2, if a cot theata+ b cosec theta = x^2 and b cot theat+ a cosec theata = y^2.
[CBSE-SA-I-2012-741

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Answered by princedileep17078399

2

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