If `cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma` then `cos^2alpha+cos^2beta+cos^2gamm...

If `cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma` then `cos^2alpha+cos^2beta+cos^2gamm...

To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma` then `cos^2alpha+cos^2beta+cos^2gamma` is