Question

Prove that
(a) (a cos 0 +b sin 0)2 +(a sin 0-b cos 0)2 = a² + b2​

Answer 1

Answer:

Question⇒ IF (cosec 0 - sin 0) = a3 and (sec 0 - cos 0) = b3, prove that a²b2(a2 + b2) = 1.

Answer 2

Answer:

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