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OpenStudy (anonymous):
Help me establish the trig identity :)
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OpenStudy (solomonzelman):
Which identity ?
OpenStudy (anonymous):
\[\frac{ 1+tanv }{ 1-tanv }=\frac{ cotv+1 }{ cotv-1 }\]
OpenStudy (solomonzelman):
CAn I work on both sides, or I may only use one side when I work on this problem ?
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