Question

(Sin A / Sec A + 1)+(Sin A / Sec A - 1) = 2Cot A​

Answer 1

Answer:

Step-by-step explanation:

in A/ sec A +1+ sin A/ sec A-1

= sin A ( sec A-1 )+ sin A ( sec A +1 )/ sec^2 A - 1

=2sin A . sec A / tan^ A

=2 sin A × 1 / cos A × 1/ tan^2A

=2 tanA × 1 / tan^2A

=2/ tan A

= 2cotA

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Answer 2

Answer:

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