SOLUTION: rewrite the function with a positive angle 4 sin(-8x)

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Question 599295: rewrite the function with a positive angle
4 sin(-8x)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Use the idea that sine is an odd function so

sin(-x) = -sin(x)

which means that

4*sin(-8x) = -4*sin(8x)