evaluate-the-given-expression-coscos112cosleftcos-1left-frac12rightrightcoscos12

Question

Evaluate the given expression:

$\cos (\cos^{- 1} (- \frac{1}{2}))$

Accepted Answer

$- \frac{1}{2}$

Answer

$- \frac{1}{2}$

Answer

$- \frac{1}{2}$

Answer

$- \frac{1}{2}$

Evaluate the given expression:cos(cos−1(−12))\cos\left(\cos^{-1}\left(-\frac12\right)\right)