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How to verify the following identitie:cot(t)+tan(t)/cot(t)=sec^2t
 one year ago
 one year ago
How to verify the following identitie:cot(t)+tan(t)/cot(t)=sec^2t
 one year ago
 one year ago

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getuselBest ResponseYou've already chosen the best response.0
\[\frac{ \cot(t)tant }{ \cot(t) }=\frac{ \frac{ cost }{ sint }\frac{ sint }{cost } }{ \frac{ cost }{sint } }=\frac{ \frac{ \cos ^{2}t+\sin ^{2}t }{sintcost } }{ \frac{ cost }{ sint }}\] \[\frac{ 1 }{sint cost }.\frac{ sint }{ cost }=\frac{ 1 }{\cos ^{2}t }=\sec ^{2}t\]
 one year ago
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