Q33 of 123 Page 9

Prove that:


Proof:


Take LHS:



Multiplying and Dividing 24 sin 7°




{∵ sin 2x = 2 sin x cos x}









We know,


sin (180° - θ) = sin θ


sin (90° - θ) = cos θ


Now,




= RHS


Hence Proved


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