Question

if A ≥ B then sin A ≥ sin B. Is it true? why?

Answer 1

Not always true.

when, B ≤ A ≤ 90,

Then , we can say that sin A is greater than sin B.

when, B ≤ A ≤ 180 , sin A is lesser than sin B.

So, this question is case dependent.