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cos 20°. sin 70° + sin 20°. cos 70° =

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in Mathematics by (60.1k points)

cos 20°. sin 70° + sin 20°. cos 70° =

(A) 1

(B) 2

(C) 0

(D) -1

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1 Answer

+1 vote
by (59.3k points)

सही विकल्प है (A) 1

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