If `cos theta+sec theta=2` then `cos^5theta+sin^5theta=`

If cos 2theta + cos 8theta = cos 5theta then theta =

Prove that cos 8 theta cos 2 theta = cos^(2) 5theta- sin^(2) 3 theta

If 3cos theta=5sin theta, then the value of (5sin theta-2sec^(3)theta+2cos theta)/(5sin theta+2sec^(3)theta-2cos theta) is (271)/(979) (b) (316)/(2937) (c) (542)/(2937) (d) None of these

Prove that : (1-sin theta cos theta)/ (cos theta (sec theta - cosec theta)) times (sin^2 theta - cos^2 theta)/(sin^3 theta + cos^3 theta) = sin theta

Prove: (sec theta+cos theta)(sec theta-cos theta)=tan^(2)theta+sin^(2)theta

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 |

If cos theta =4/5 then sin^2 theta cos theta + cos^2 theta sin theta is equal to :

If sec theta (cos theta + sin theta) = sqrt2 , then what is the value of (2 sin theta)//(cos theta- sin theta) ? यदि sec theta (cos theta + sin theta) = sqrt2 है,तो (2 sin theta)//(cos theta- sin theta) का मान क्या है?

Prove (cos 3theta+ 2 cos 5theta+ cos 7theta)/( cos theta+ 2 cos 3theta+ cos 5theta)= cos 2theta- sin 2theta tan 3theta .

If cos theta=4/5 , then sin^2 theta cos theta+cos^2 theta sin theta is equal to : यदि cos theta=4/5 है,तो sin^2 theta cos theta+cos^2 theta sin theta का मान किसके बराबर होगा ?