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

Question 205660: Simplify the following, where k represents any integer.
cos(2kpi-theta)(-sin(2kpi-theta))
Answer by stanbon(75887) (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))
---
= cos(theta) * sin(theta)
----
= (1/2)sin(2*theta)
============================
Cheers,
Stan H.
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