Home
Class 11
MATHS
Prove that: cos^2A+cos^2(A+(2pi)/3)+cos...

Prove that: `cos^2A+cos^2(A+(2pi)/3)+cos^2(A-(2pi)/3)=3/2`

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that: cos^2A+cos^2(A+pi/3)+cos^2(A-pi/3)=3/2

Prove that: cos^2A+cos^2(A+pi/3)+cos^2(A-pi/3)=3/2

Prove that: cos^(2)A+cos^(2)(A+(pi)/(3))+cos^(2)(A-(pi)/(3))=(3)/(2)

Prove that : cos^(2)A+cos^(2)(A+pi/3)+cos^(2)(A-pi/3) = 3/2

Prove that: cos^(2)A+cos^(2)(A+(2 pi)/(3))+cos^(2)(A-(2 pi)/(3))=(3)/(2)

Prove that : cos A+cos(A+(2 pi)/(3))+cos(A+(4 pi)/(3))=0

Prove that cos^2x+cos^2(x+pi/3)+cos^2(x-pi/3)=3/2 .

Prove that, cos^(2)x+cos^(2)(x+(pi)/(3))+cos^(2)(x-(pi)/(3))=(3)/(2) .

Prove that cos^(2)x+cos^(2)(x+(pi)/(3))+cos^(2)(x-(pi)/(3))=(3)/(2)

Prove that cos^(2)x+cos^(2)(x+(pi)/(3))+cos^(2)(x-(pi)/(3))=(3)/(2)