Question
Tue September 29, 2009 By: Khushal Gupta

trigonometry.

Expert Reply
Tue September 29, 2009

(1 + tan2 θ )cot θ/cosec2 θ  = tan θ

sec2 θcot θ/cosec2 θ = tan θ

Using the Identity,

 1 + tan2 θ = sec2 θ,

sin2 θcot θ/cos2 θ = tan θ

tan2 θcot θ = tan θ

tan θ = tan θ..............since tan θcot θ = 1

Hence proved.

Regards,

Team,

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