`cos2theta+3costheta=0`

Find the general value of theta from the equation costheta+cos2theta + cos3theta=0 .

Find the general value of theta from the equation costheta+cos2theta + cos3theta=0 .

Solve the following equation: costheta+cos2theta+cos3theta=0

Solve: 2cos^2theta-3costheta+1=0

Find general solutions or solution as per given condition: 2cos^2theta + 3costheta-2= 0

if costheta+cos2theta+cos3theta=0 , the general value of theta is

Find the value of 'theta'(0^@lethetale90^@) g. cos^2theta-3costheta+2=sin^2theta

If tan\ theta/2=cosectheta-sintheta, then- a. sin^2\ theta/2=2sin^2\ 18^@ b. cos2theta+2costheta+1=0 c. sin\ theta/2=4sin^2\ 18^@ d. cos2theta+2costheta-1=0

If tan\ theta/2=cosectheta-sintheta, then- a. sin^2\ theta/2=2sin^2\ 18^@ b. cos2theta+2costheta+1=0 c. sin\ theta/2=4sin^2\ 18^@ d. cos2theta+2costheta-1=0