Home
Class 11
MATHS
If tan^2theta=2tan^2phi+1,t h e ncos2the...

If `tan^2theta=2tan^2phi+1,t h e ncos2theta+sin^2phi` equals (a)`-1` (b) `0` (c) `1` (d) none of these

Promotional Banner

Similar Questions

Explore conceptually related problems

If tan^(2)theta=2tan^(2)phi+1, then cos2 theta+sin^(2)phi is equal to

If tan^(2)theta=2tan^(2)phi+1, prove that cos2 theta+sin^(2)phi=0

If tan^(2)theta=1+2tan^(2)phi then show that cos2 theta+sin^(2)phi=0

If tan theta=1/2 and tan phi=1/3, then tan(2 theta+phi)

If (1+tan theta)(1+tan phi)=2 then theta+phi=

If (1+tan theta)(1+tan phi)=2then(theta+phi) is

If tan^(2)theta=1+2tan^(2)phi, prove that cos2 phi=1+2cos2 theta

If 3tan theta tan phi=1. Prove that 2cos(theta+phi)=cos(theta-phi)