Home
Class 12
MATHS
If sinalpha+sinbeta+singamma=cosalpha+co...

If `sinalpha+sinbeta+singamma=cosalpha+cosbeta+cosgamma=0,` then (A) `cos3alpha+cos3beta+cos3gamma=3cos(alpha+beta+gamma)` (B) `cos 3alpha+cos3beta+cos3gamma=0` (C) `sin3alpha+sin3beta+sin3gamma=0` (D) `sin3alpha+sin3beta+sin3gamma= 3sin(alpha+beta+gamma)`

Promotional Banner

Similar Questions

Explore conceptually related problems

If sinalpha+sinbeta+singamma=cosalpha+cosbeta+cosgamma=0 then prove that cos3alpha+cos3beta+cos3gamma=3cos(alpha+beta+gamma)

If (cosalpha+cosbeta+cosgamma)=0, sinalpha+sinbeta+singamma=0 then show that sin3alpha+sin3beta+sin3gamma=3sin(alpha+beta+gamma)

If cosalpha+cosbeta+cosgamma=0 , then prove that cos3alpha+cos3beta+cos3gamma=12cosalphacosbetacosgamma

If sin alpha+ sin beta+ sin gamma=3, then sin^3alpha+sin^3beta+sin^3 gamma=

If cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma" then "sin3alpha+sin3beta+sin3gamma

If cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma then sin3alpha+sin3beta+sin3gamma=

If cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma" then "cos3alpha+cos3beta+cos3gamma

If (cosalpha+cosbeta+cosgamma)=0, sinalpha+sinbeta+singamma=0 then show that cos3alpha+cos3beta+cos3gamma=3cos(alpha+beta+gamma)

If cos alpha + cos beta + cos gamma = sin alpha + sin beta + sin gamma = 0 , show that sin 3alpha + sin 3 beta + sin 3gamma = 3 sin (alpha + beta + gamma)

If cos alpha+2cos beta+3cos gamma=sinalpha+2sinbeta+3singamma=0 then sin 3alpha+8sin3 beta+27sin 3gamma=