Home
Class 12
MATHS
If tan(x/2)=cosec x - sin x then the val...

If `tan(x/2)=cosec x - sin x` then the value of `tan^2(x/2)` is

Text Solution

Verified by Experts

The correct Answer is:
`-2pmsqrt(5)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise For Session 10|10 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise For Session 11|10 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise For Session 8|10 Videos

  • TRIGONOMETRIC EQUATIONS AND INEQUATIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|12 Videos

  • VECTOR ALGEBRA

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|9 Videos

Similar Questions

Explore conceptually related problems

If tan(x/2)=cosec x-sin x , then find the value of tan^(2) (x/2) .

If cos x-sin alpha cot beta sin x=cos alpha , then the value of tan (x//2) is

If cos x-(cot beta sinx )/( 2 )=sqrt(3)/(2) , then the value of tan""(x)/(2) is A. tan""(beta)/(2) tan 15^(@) B. tan""(beta)/(2) C. tan 15^(@) D. None of these

If tan x = -(4)/(3), (pi)/(2) lt x lt pi , then find the value of sin(x/2), cos(x/2) and tan(x/2) .

If 4 sin^(2) x + cosec^(2)x, a , sin^(2)y+4 cosec^(2)y are in AP, then minimum value of (2a) is

If tan x=b/a , then the value of a cos 2x+b sin 2x is :

If 5 (tan ^(2) x - cos ^(2) x ) = 2 cos 2x +9 , then the value of cos 4 x is

If x in ( - pi/2, pi/2) , then the value of tan^(-1) ((tan x)/4) + tan^(-1) ((3 sin 2x)/(5 + 3 cos 2x)) is

If tan^-1 2x + tan^-1 3x = pi/2 , then the value of x is equal to

Given 0 le x le 1/2 , then the value of : tan[sin^-1(x/sqrt2 + (sqrt(1-x^2))/sqrt2)- sin^-1x] is

Home
Profile