Evaluate `2(cos^2theta-sin^2theta)=1`

Similar Questions

Explore conceptually related problems

Evaluate sin^2theta/cos^2theta+1

Find the general solution of cos^2theta(sin^2theta)=1

Evaluate |[2"cos"theta, -2"sin"theta], ["sin" theta, "cos"theta]|

Find the exact value of theta if cos^2theta(1+sin^2theta)=1

If cot theta=(15)/(8), then Evaluate ((2+2sin theta)(1-sin theta))/((1+cos theta)(2-2cos theta))

If tan theta=(12)/(13), evaluate (2sin theta cos theta)/(cos^(2)theta-sin^(2)theta)

prove that- sin^2theta/cos^2theta+cos^2theta/sin^2theta=1/ (sin^2thetacos^2theta)-2

Prove that-: cos^4theta/(1-sin^4theta)=(1-sin^2theta)/(1+sin^2theta)

If sin theta=12/13 find the value of (sin^2 theta-cos^2 theta)/(2sin theta cos theta)xx1/(tan^2 theta)