Math, asked by tuyen51202, 9 months ago

sin2xcos7x = _____
1/2sin9 x - 1/2sin5 x
1/2cos5 x - 1/2cos9 x
1/2sin9 x + 1/2sin5 x
1/2cos5 x + 1/2cos9 x

Answers

Answered by archanakadam1199

2

Answer:

answer is 1/2cos5×-1/2cos 9×

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