if Sn0=4. and cos a=5 evalute witrout 13 using Aables Cos (eta)

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Q: sec A - 1 sec A +1 2 tan A 2 sec A Option 1 Option 2 2 csc A 2 tan A sec A Option 3 Option 4

A: Topic:- trigonometry

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A: Let's find. 

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A: A detailed solution is given below

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A: We find the equation that solution is π/4.

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