Question

please give me answer ​

Answer 1

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Answer 2

Step-by-step explanation:

Note - I will use A instead of thetha.

$\sec( \alpha ) \sqrt{1 - { \sin( \alpha ) }^{2} } \\ \sec( \alpha ) \sqrt{ { \cos( \alpha ) }^{2} } \\ \sec( \alpha ) \times \cos( \alpha ) \\ \frac{ \sec( \alpha ) }{ \sec( \alpha ) } \\ 1$

Hope it helps you.

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