Respuesta :

akaleti47
1+tan^2=sec^2
so, given expression= [tex] \frac{sec^{2}*cot}{cosec^{2} } = \frac{ \frac{1*cot}{ cos^{2} } }{ \frac{1}{ sin^{2} } } =[/tex][tex] tan^{2}*cot = tan [/tex](using sin/cos=tan and tan*cot=1)

hence proved

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good job