1. Tardigrade
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  4. cosec2 A cot2 A - sec2 A tan2 A - ( cot2 A - tan2 A)( sec2 A cos ec2 A - 1) =

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Q. $cosec^2 \, A \cot^2 \, A - \sec^2 \, A \tan^2 \, A - $
$(\cot^2 \, A - \tan^2 \, A)(\sec^2 \, A \, \cos ec^2 \, A - 1)$ =

Trigonometric Functions

Solution:

Put A = 45$^\circ$