SOLUTION: Simplify the following, where k represents any integer. cos(2kpi-theta)(-sin(2kpi-theta))

Algebra ->  Trigonometry-basics -> SOLUTION: Simplify the following, where k represents any integer. cos(2kpi-theta)(-sin(2kpi-theta))      Log On


   

Question 205660: Simplify the following, where k represents any integer.
cos(2kpi-theta)(-sin(2kpi-theta))
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify the following, where k represents any integer.
cos(2kpi-theta)(-sin(2kpi-theta))
= cos(-theta)*(-sin(-theta))
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= cos(theta) * sin(theta)
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= (1/2)sin(2*theta)
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Cheers,
Stan H.