If then A 1 is equal to ........

If $A(\alpha ,\beta )=\begin{bmatrix} \cos \alpha & \sin \alpha & 01\\ & & \\ -\sin \alpha & \cos \alpha & 0\\ & \\ 0 & 0 & e^{\beta } \end{bmatrix}$ , then A( $\alpha$ , $\beta$ )^-1 is equal to

$A(-\alpha, -\beta )$

$A(-\alpha, \beta )$

$A(\alpha, -\beta )$

$A(\alpha, \beta )$

Explanation:

$A(-\alpha, -\beta )$

By: Swaminath Yadav

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If then A 1 is equal to ........

Explanation:

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