`(cos theta + sin theta)^2 + (cos theta - sin theta)^2 `

If 5 cos theta -12 sin theta =0 , the value of (2 sin theta +cos theta )/(cos theta - sin theta ) यदि 5 cos theta -12 sin theta =0 , है, तो (2 sin theta +cos theta )/(cos theta - sin theta ) का मान ज्ञात करें |

int cos2 theta * ln ((cos theta + sin theta) / (cos theta-sin theta)) d theta

(cos theta-sin theta) / (cos theta + sin theta) = sec2 theta-tan2 theta

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

If 2 cot theta =3 , then what is (2 cos theta -sin theta)/(2 cos theta + sin theta) equal to ?

Solve : 3-2 cos theta -4 sin theta - cos 2theta+sin 2theta=0 .

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