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(sin A – cos A)^2 is equal to _____(a) 1 + 2sin A cos A(b) 1 – 2sin A cos A(c) 2sin A cos A – 1(d) 2sin A cos A + 1I have been asked this question in semester exam.This interesting question is from Trigonometric Identities in chapter Trigonometry of Mathematics – Class 10 |
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Answer» Correct option is (b) 1 – 2SIN A COS A |
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