Home
Class 12
MATHS
Let =cos x sin 2x , then-...

Let =cos x sin 2x , then-

A

min `f(x)gt-(7)/(9),x in[-pi,pi]`

B

min `f(x)gtgt-(9)/(7),x in [ -pi,pi]`

C

min `f(x)gt-(1)/(8) x in [-pi,pi]`

D

min `f(x)gt-(2)/(9), x in[pi,pi]`

Text Solution

Verified by Experts

The correct Answer is:
A,B
Promotional Banner

Topper's Solved these Questions

  • MAXIMA AND MINIMA

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Examination B|5 Videos

  • MAXIMA AND MINIMA

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Examination C|1 Videos

  • MAXIMA AND MINIMA

    CHHAYA PUBLICATION|Exercise EXERCISE Long Answer Type Questions|38 Videos

  • MATHEMATICAL REASONING

    CHHAYA PUBLICATION|Exercise JEE Main (AIEEE) Archive (2016 )|1 Videos

  • MCQ ZONE

    CHHAYA PUBLICATION|Exercise Question Paper 7|80 Videos

Similar Questions

Explore conceptually related problems

If sin x + cos x = 2 , then the value of sin^(n)x + cos^(n)x will be-

The smallest positive x satisfying log_sin x cos x+log_(cos x) (sin x)=2 , when x in (0,pi/2) , is

Prove that sin 5 x cos 2x + cos 6 x sin 3 x = sin 8x cos x

Solve :sin x 4 cos x = sin 2x 4 cos 2x.

Let f(x) = cos 7 x cos 3x and g(x) = sin 7 x sin 3x int {f(x) + g(x) } dx =

Let f(x) = cos 7 x cos 3x and g(x) = sin 7 x sin 3x int g(x) dx =

Let f(x) = cos 7 x cos 3x and g(x) = sin 7 x sin 3x int f(x) dx =

Let veca (x) = (sin x) hati+ (cos x) hatj and vecb(x) = (cos 2x) hati + (sin 2x) hatj be two variable vectors ( x in R) . Then veca (x) and vecb (x) are

Let a = cos^(-1) cos 20, b = cos^(-1) cos 30 and c = sin^(-1) sin (a + b) then The largest integer x for which sin^(-1) (sin x) ge |x -(a + b + c)| is