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Choose the correct option and justify your choice : sin 2A = 2 sin A is true when A ;  (A) 0°  (B) 30° 

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in Trigonometry by (65.6k points)

Choose the correct option and justify your choice :

sin 2A = 2 sin A is true when A ; 

(A) 0° 

(B) 30° 

(C) 45° 

(D) 60°

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1 Answer

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Best answer

Answer is (A)

LHS = sin 2A = sin0° = 0 

RHS = 2sin A = 2sin0° = 0

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