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

find the general values of ' theta ' from the following equations costheta.cos2theta.cos3theta=1/4

costheta-cos2theta=sin3theta

find the general values of ' theta ' from the following equations cos3thetacos5theta-cos7thetacos9theta=0

Find the general values of theta from the following equations: sin4theta-sin2theta=cos3theta

Find the general values of theta from the following equations: sin4theta-sin2theta=cos3theta

If 0^(@)anglethetaangle90^(@) , then find the value of theta from the equation (cos^(2)theta)/(cot^(2)theta-cos^(2)theta)=3 .

Find the general values of theta from the following equations: i) sin3theta=cos3theta ii) 2cos^(2)theta=1-2sinthetacostheta iii) "cosec"^(2)theta+2"cosec"theta-3=0

The general value theta obtained from the equation cos3theta=sinalpha is

The general value theta obtained from the equation cos3theta=sinalpha is

The general value of theta which satisfies the equation (costheta+isintheta) (cos3theta+isin3theta)...[(cos(2r-1)theta+isin(2r-1)theta)]=1 is