Question

write the function in terms of the confirmation of a complementary anglecos5π\24 ??

Answer 1

$\begin{gathered} \cos \frac{5\pi}{24}=\sin (\frac{\pi}{2}-\frac{5\pi}{24})=\sin (\frac{12\pi-5\pi}{24})=\sin (\frac{7\pi}{24}) \\ \end{gathered}$