Question

If A>B, then sin A> sin B. Is it true? If A>B, then cos A> cos B. Is it true? Discuss.​

Answer 1

Answer:

In sin case it is true, but in cos case it's false

Step-by-step explanation:

A> B, put A=30, . B=0

So, sin 30 >sin 0

. . . . 0.5 >0 which is true

But in cos case it is not true