Question

If sec theta × sin theta = 0 , then find cos theta . WITH WORKING

Answer 1

Solution :

Here I am using A instead of theta.

SecA × sinA = 0

=> ( 1/cosA ) × sinA = 0

=> ( SinA/CosA ) = 0

=> tanA = 0

=> tanA = tan 0°

Therefore ,

A = 0°

Now ,

CosA = Cos 0° = 1

••••

Answer 2

Here is your answer user.