Find the values of : sec 240° - Vidyadip

Question

Find the values of : sec 240°

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Answer

\begin{aligned}
& \sec 240^{\circ}=\sec \left(180^{\circ}+60^{\circ}\right) \\
& =-\sec 60^{\circ} \\
& =-2 \\
\end{aligned}

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