Question

prove that : sin ² tita ipon cos tita + cos tita =sec tita

Answer 1

$\frac{ { \sin }^{2} θ}{ \cosθ } + \cosθ \\ \\ \frac{ { \sin }^{2}θ + { \cos }^{2} θ}{ \cosθ }$

Using trigono_M_etric identity _F_or

sin^2 θ+ cos^2θ= 1


You'll get

$= \frac{1}{ \cosθ} \\ = \secθ$


Hence proved.

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