1.

If cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma, then match the following.{:("I) "cos3alpha+cos3beta+cos3gamma=,"a) "0),("II) "sin2alpha+sin2beta+sin2gamma=,"b) "3),("III) "cos^2alpha+cos^2beta+cos^2gamma=,"c) "3//2),("IV) "cos(2alpha-beta-gamma)+cos(2beta-gamma-alpha)+cos(2gamma-alpha-beta)=,"d) "3cos(alpha+beta+gamma)):}

Answer»

A) d,a,C,b
B) b,c,a,d
C) d,a,b,c
D) d,c,b,a

Answer :A


Discussion

No Comment Found

Related InterviewSolutions