Question

If SinA = 0, then the value of CosA ​

Answer 1

Answer:

Here, SecA = 1/ cos A. secA × sinA = 0 (given). 1/ cosA × sinA=0. sinA/cosA =0. tan A = tan 0 [we used sinA/cosA = tanA, tan 0 =0]. therefore A=0.

Answer 2

Step-by-step explanation:

sin a = p/h = 0

= cos a = 0 or undefined