Evaluate \(\begin{vmatrix}cos⁡θ&-cos⁡θ&1\\sin^2⁡θ&cos^2⁡θ&1\\sin⁡θ&-sin⁡θ&1\end{vmatrix}\).

Evaluate \(\begin{vmatrix}cos⁡θ&-cos⁡θ&1\\sin^2⁡θ&cos^2⁡θ&

1.	Evaluate \(\begin{vmatrix}cos⁡θ&-cos⁡θ&1\\sin^2⁡θ&cos^2⁡θ&1\\sin⁡θ&-sin⁡θ&1\end{vmatrix}\).
A.	sin⁡θ+cos2⁡θ
B.	-sin⁡θ-cos2⁡⁡θ
C.	-sin⁡θ+cos2⁡⁡θ
D.	sin⁡θ-cos2⁡⁡θ
Answer» E.

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