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Which of the following functions is not ...

Which of the following functions is not decreasing on `(0,pi//2)?`

A

cos x

B

cos 2 x

C

`cos^2x`

D

tan x

Text Solution

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The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-INCREASING AND DECREASING FUNCTIONS-Exercise
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  11. Find the value of a for which the function (a+2)x^3-3a x^2+9a x-1 decr...

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  12. The function y=x^3-3x^2+6x-17

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  13. The interval in which the function x^3 increases less rapidly than 6x...

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  14. The interval in which the function f(x)=sin x-cos x -ax +b decreases f...

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  15. The function y=cot^(-1) x- log (x+sqrt(x^2+1)) is decreasing in

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  16. the function(|x-1|)/(x^(2)) is monotonically decreasing at the point

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  17. Find the value of a in order that f(x)=sqrt(3)sinx-cosx-2a x+b decreas...

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