Find the sum of n terms of the series `sqrt(1-sin2theta)+(sqrt(1-sin4theta)+sqrt(1-sin6theta)+…`

cos theta=sqrt(1-sin theta)

cos theta=sqrt(1-sin theta)

cos theta sqrt(1-sin^(2)theta)=

Find the sum to n terms of the series sin^3 theta +1/3 sin^3 3theta+1/3^2sin^3 9theta+1/3^3 sin^3 27theta+…

cos theta+sqrt(3)sin theta=2

Find the sum of the series sintheta- (sin2theta)/(2!)+(sin3theta)/(3!)-… to oo

If theta lies in the second quadrant. Then the value of sqrt((1-sin theta)/(1+sin theta))+sqrt((1+sin theta)/(1-sin theta)) is equal to :

Sum to n terms the series costheta-sin2theta-cos3theta+sin4theta+cos5theta-……

Sum ot n terms the series sin^3theta+sin^3 3theta+sin^3 5 theta+…

Find the value of θ if cos theta=sqrt(3)(1-sin theta)