" 19.यदि "sin theta=(1)/(2)," Then prove that "3sin theta-4sin^(3)theta

If sin theta=1/2 then prove that 3sin theta-4sin^3 theta=1

If 2 cos theta = sqrt3. prove that : 3 sin theta - 4 sin ^(3) theta =1

Prove that : sin 3 theta=3 sin theta-4 sin^3 theta .

If cos theta+cos^(2)theta=1, prove that sin^(12)theta+3sin^(10)theta+3sin^(8)theta+sin^(6)theta+2sin^(4)theta+2sin^(2)theta-2=1

If cos theta+ cos^2 theta=1 , prove that sin^12 theta+3sin^10 theta+3sin^8theta+sin^6theta+2sin^4theta+2sin^2theta-2=1

If cos theta+cos^(2)theta=1, Prove that: sin^(12)theta+3sin^(10)theta+3sin^(8)theta+sin^(6)+2sin^(4)theta+2sin^(2)theta-2=1

If (2sin theta + 3 cos theta) =2 , prove that (3 sin theta - 2 cos theta ) = pm 3.

Prove that : (sin theta + 2 sin 3theta + sin 5theta)/(sin 3theta + 2 sin 5theta + sin 7theta) = (sin 3theta)/(sin 5theta)

If sin(pi cos theta)=cos(pi sin theta) ,then prove that : theta=(1)/(2)sin^(-1)(3/4)

Prove that (Sin theta)/(1-cos theta)=cosec theta+cot theta OR Prove that (Sin theta - 2 Sin^(3) theta)/(2cos^(3)theta-cos theta)=tan theta