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Consider the following statements S and ...

Consider the following statements S and R S : Both sin x and cos x are decreasing function in `(pi/2,pi)` R: If a differentiable function decreases in (a,b) then its derivative also decreases in (a,b) Which of the following is true?

A

A. Both S and R are wrong

B

B. Both S and R are correct by R is not the correct explantation for S

C

C. S is correct and R is the correct explanation for S

D

D. S is correct and R is wrong

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The correct Answer is:
D
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