find the derivative of sin5xcos7x
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Answer:
here below solved
Step-by-step explanation:
y= sin 5x. cos7x
dy/dx=d/dx(sin 5x. cos7x)
=cos7x. d/dx(sin5x). d/dx(5x) +sin5x. d/dx(cos 7x). d/dx(7x)
=cos7x. cos5x. 5+sin5x. (-sin7x). 7x
=5cos5x. cos7x -7sin5x. sin7x
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