Sin A B sin A B sin2 A sin2 B cos2 B cos2 A

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Latest IIT-JEE Aptitude Question SOLUTION: sin (A + B).sin (A – B) = sin2 A – sin2 B = cos2 B – cos2 A

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(#M40027342) IIT-JEE question Trigonometric Ratios Keep an EYE

sin (A + B).sin (A – B) = sin2 A – sin2 B
= cos2 B – cos2 A

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