Home
Class 11
MATHS
Prove that 5costheta+3cos(theta+pi/3)+3 ...

Prove that `5costheta+3cos(theta+pi/3)+3` lies between `-4a n d10.`

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that cos (pi + theta) = - cos theta

Prove that cos5theta=16cos^(5)theta-20cos^(3)theta+5costheta .

Prove that cos theta +cos ((2pi)/(3)-theta)+cos ((2pi)/(3)+theta)=0

Prove that cos theta + cos ((2pi)/(3)- theta)+ cos ((2pi)/(3)+ theta)=0

Prove that: (costheta)/(1+sintheta)=tan(pi/4-theta/2)

Prove that cos 8 theta cos 2 theta = cos^(2) 5theta- sin^(2) 3 theta

Find the range of f(theta)=5costheta+3cos(theta+pi/3)+3

Prove that sqrt(cot^(2)theta-cos^(2)theta)=cottheta.costheta

Prove that cos 50 = 16 cos^(5)theta - 20 cos^(3) theta + 5 cos theta