Anoushkaa11
Anoushkaa11
09-05-2017
Mathematics
contestada
Can somebody please solve question 11?
Respuesta :
akaleti47
akaleti47
09-05-2017
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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