Latest IIT-JEE Aptitude Question SOLUTION: Prove that, cos(30º – A).cos(30º + A) + cos(45º + A).cos(45º – A) = cos2A + 1/4

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(#M40027343) IIT-JEE question Trigonometric Ratios Keep an EYE

Prove that, cos(30º – A).cos(30º + A) +
cos(45º + A).cos(45º – A) = cos2A +
1/4

Asked In IIT-JEE MAN (11 years ago)

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