If SecASinA equals 0 then what will be the Value of CosA?

SecA = 1/CosA

Hence

SecASinA = SinA/CosA = 0

Then SinA = 0

A = 0 , 180, 360

It doesn't matter what the value of CosA is because if CosA = 0 , then the answer is undefined. 44e/.g/

SinA/CosA = SinA / 0 = Undefined.