Complete the equation.
`sin^(2)theta + cos^(2)theta` =

Prove each of the following identities : (sin theta + cos theta)/(sin theta - cos theta) + (sin theta - cos theta)/(sin theta + cos theta) = (2) /((sin^(2) theta - cos^(2) theta)) = (2) /((2sin^(2) theta -1))

Solve the equation 2cos^(2)theta+3sin theta=0

The solution of the equation cos^(2)theta-2cos theta=4sin theta-sin2 theta where theta in[0,pi] is

The equation sin^(4)theta+cos^(4)theta+2sin theta*cos theta+lambda=0 is solvable for

Solve the equation 3-2cos theta-4sin theta-cos2 theta+sin2 theta=0

(2sin theta*cos theta-cos theta)/(1-sin theta+sin^(2)theta-cos^(2)theta)=cot theta

Find the sum of all the solution of the equation cos theta-sin3 theta=cos2 theta in[0,2 pi]