Home
Class 12
MATHS
If cos x=- (1)/(3) and x lies in Qu...

If cos ` x=- (1)/(3) ` and x lies in Quadrant III find the values of
`(i) " sin " .(x)/(2) , (ii) " cos " .(x)/(2) , (iii) " tan ".(x)/(2)`

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP ENGLISH|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP ENGLISH|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

If cos x = - (1)/(3) , x lies in III quardrnat, then find the values of sin(x/2), cos (x/2) and tan (x/2) .

If cos x=-3/5a n d\ x lies in IInd quadrant, find the values of sin2x\ a n dsin(x/2)dot

If cos x=3/5 and x lies in the fourth quadrant find the values of cosec x+ cot x .

If sinA=-4/5 and A lies in 3rd quadrant, find the values of (i) sin2A ii) cos2A .

If cos x=\ -3/5a n d\ x lies in the IIIrd quadrant, find the values of cos(x/2),sin(x/2)a n d\ sin2xdot

if tanx=-4/3,x lies in Il quadrant, then find the value of sin(x/2)

If sinx=(sqrt(5))/3a n d\ x lies in IInd quadrant, find the values of cos(x/2),sin(x/2)a n d tan(x/2)dot

If cos A=-12/13 and cotB=24/7 where A lies in second quadrant and B lies in third quadrant then find the values of (i) sin (A+B) (ii) cos(A+B) (iii) tan(A+B)

If 4 cos^(2) x = 3 and x is an acute angle find the value of : (i) x (ii) cos^(2)x + cot^(2)x (iii) cos 3x (iv) sin 2x

If x lies in first quadrant, find the maximum and minimum values of the function 4 sin x+3 cos x .