Question

$\sqrt{1 - sin { }^{2} }a \: \times \sqrt cosec { }^{2} a \: \: = \: \:$
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Answer 1

Answer:

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Answer 2

Answer:

$\sqrt{1 - sin { }^{2} }a \: \times \sqrt cosec { }^{2} a \: \: = \: \:$