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OpenStudy (anonymous):
Can someone please help me?
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OpenStudy (anonymous):
\[\cot(x-\frac{ \pi }{ 2 })=-tanx\]
OpenStudy (cwrw238):
or solve for x?
OpenStudy (anonymous):
or sorry Verify the identity.
OpenStudy (cwrw238):
tan x = cot ((pi/2) - x ) = cot (- (x - pi/2)) = - cot(pi/2 - x) = -tan x
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