SOLUTION: verify the identity of csc 2 theta = csc theta over 2 cos theta
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Question 694531: verify the identity of csc 2 theta = csc theta over 2 cos theta
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
verify the identity of csc 2 theta = csc theta over 2 cos theta
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csc(2x) = csc(x)/(2cos(x))
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1/(2sin(x)cos(x)) = (1/sin(x)/(2cos(x))
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1/(2sin(x)cos(x)) = (1/2sin(x)cos(x))
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Cheers,
Stan H.
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