Math, asked by MrGolden, 2 months ago

sin7xcos2x - sin2xcos7x is equivalent to:
a. cos7x
b. sin9x
c. cos9x
d. sin5x

Answers

Answered by TrustedAnswerer19

29

Answer:

sin7xcos2x - sin2xcos7x is equivalent to:

d. sin5x

Step-by-step explanation:

sin (A - B) = sinA cos B - cosA sin B

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