Question

$\begin{vmatrix} \sin\alpha & \cos(\alpha+\theta) & \cos\alpha \\\ \sin\beta & \cos(\beta+\theta) & \cos\beta \\\ \sin\gamma & \cos(\gamma+\theta) & \cos\gamma\end{vmatrix}=$

• A. -1
• B. 1
• C. 2
• D. 4
• E. 0

Answer 1

Answer: (E)

0

Answer 2

The correct option is (E) : 0