x = cosy/(1 - siny) , than cosy/(1 + siny) is equal to


This is reply by AI


The best way to solve these questions is by substitution
let y= 30
x = cos30/(1- sin30)
x= _/3/2 / 1/2 = _/3

cosy/(1+siny) = _/3/2 / 3/2 = 1/_/3

if you check options and see the answer we got is similar to option B


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