Solve cos theta * cos 2 theta * cos 3 th...

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

Verified by Experts

The correct Answer is:

`(2n+1)(pi)/(8),n pi pm (pi)/3 `

Similar Questions

Explore conceptually related problems

Solve sin^(2) theta-cos theta=1/4, 0 le theta le 2pi .

Solve cos theta+cos 7 theta+cos 3theta+cos 5 theta=0 ,

Prove that sqrt ((1-cos theta )/( 1+cos theta ) ) = cosec theta -cot theta , 0le theta le 90 ^(@)

Find all the value of theta satisfying the equation , sin 7 theta = sin theta + sin 3 theta such that 0 le theta le pi

Prove that (cot theta -cos theta )/( cot theta +cos theta ) =(cos ec theta -1)/( cosec theta +1)

Prove that: (sin theta - cos theta +1)/(sin theta + cos theta -1) = (1)/(sec theta - tan theta)

Solve : 2 cos^(2)theta + sin theta le 2 , where pi//2 le theta le 3pi//2.

|[4 sin ^2 theta, cos 2 theta],[ -cos 2 theta,cos ^2 theta]| =

Show that (1)/( cos theta ) -cos theta =tan theta .sin theta

Show that (cosec theta -cot theta )^(2) =(1-cos theta )/( 1+cos theta )