SOLUTION: what is the value of cos(180-2theta)??

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Question 1029577: what is the value of cos(180-2theta)??
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
what is the value of cos(180-2theta)
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= cos(180)(cos(2t)) - sin(180)(sin(2t)
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= -cos(2t) - 0*sin(2t)
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= -cos(2t)
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Cheers,
Stan H.
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