II cordnent [sinθ×cosecθ+4e] [90+θ) \[ \begin{array}{l} \sin [90+\theta]=..
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II cordnent [sinθ×cosecθ+4e] [90+θ)
\[
\begin{array}{l}
\sin [90+\theta]=+\cos \theta \\
\cos [90+\theta]=-\sin \theta \\
\tan [90+\theta]=-\cot \theta \\
\cot [90+\theta]=-\tan \theta
\end{array}
\]
Video solution 1: II cordnent [sinθ×cosecθ+4e] [90+θ)
\[
\begin{array}{l}
\sin [90+\theta]=+\cos \theta \\
\cos [90+\theta]=-\sin \theta \\
\tan [90+\theta]=-\cot \theta \\
\cot [90+\theta]=-\tan \theta
\end{array}
\]
dfrac { cos({ 90 }^{ o }-theta )costheta }{ tantheta } +{ cos }^{ 2 }({ 90 }^{ o }-theta )=1
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