22. Consider the following statements in S and R : $S$ : Both $\sin x$ and $\cos x$ are decreasing functions in the interval $( \sqcap / 2 , \sqcap )$ R : If a differentiable function decreases in an interval ( $\mathrm { a } , \mathrm { b }$ ), then its derivative also decreases in (a, b). Which of the following is true : (A) Both S and R are wrong (B) Both S and R are correct, but R is not the correct explanation of S . (C) S is correct and R is correct explanation for S . (D) S is correct and R is wrong.
22. Consider the following statements in S and R :\\
$S$ : Both $\sin x$ and $\cos x$ are decreasing functions in the interval $( \sqcap / 2 , \sqcap )$\\
R : If a differentiable function decreases in an interval ( $\mathrm { a } , \mathrm { b }$ ), then its derivative also decreases in (a, b).\\
Which of the following is true :\\
(A) Both S and R are wrong\\
(B) Both S and R are correct, but R is not the correct explanation of S .\\
(C) S is correct and R is correct explanation for S .\\
(D) S is correct and R is wrong.\\