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

Prove that `cos^2x+cos^2(x+pi/3)+cos^2(x-pi/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)+x+cos^(2) (x+pi/3)+cos^(2)(x-pi/3)=3/2 and hence find the values of sin^(2)x +sin^(2) (x+pi/3)+sin^(2) (x-pi/3)

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

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