Home
Class 12
MATHS
If -pi < theta < pi, the equation (cos...

If `-pi < theta < pi`, the equation
`(cos 3 theta + 1)x^(2) + 2(cos 2theta - 1)x` `+(1 - 2 cos theta) = 0`
has more than two roots for

Promotional Banner

Similar Questions

Explore conceptually related problems

If 2cos theta=x+1/x then 2cos^2 theta=

If A = [( 1, cos theta , 1),( - cos theta ,1,cos theta ),( -1 , - cos theta ,1)] where 0 le theta le 2 pi then …..

If A = [( 1, cos theta , 1),( - cos theta ,1,cos theta ),( -1 , - cos theta ,1)] where 0 le theta le 2 pi then …..

Solve cos theta * cos 2 theta * cos 3 theta = (1)/( 4), 0 le theta le pi

Solve cos theta * cos 2 theta * cos 3 theta = (1)/( 4), 0 le theta le pi

Solve cos theta * cos 2 theta * cos 3 theta = (1)/( 4), 0 le theta le pi

If (1 + cos theta + isin theta) (1 + cos 2 theta + isin 2theta) = x + iy then y =

If x= a sin 2theta (1+ cos 2theta) , y= b cos 2theta(1- cos 2theta) , then (dy)/(dx) =

If x= a sin 2theta (1+ cos 2theta) , y= b cos 2theta(1- cos 2theta) , then (dy)/(dx) =