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

Both S and R are wrong Both S and R are correct, but R is not the correct explanation of S S is correct and R is correct explanation for S S is correct and R is wrong

S is correct and R is wrong