" 27.If "1+sin theta+sin^(2)theta+...." upto "oo=2sqrt(3)+4," then "theta=

If 1+sin theta + sin^(2) theta + ...oo= 4+2sqrt(3), 0 lt theta lt pi and theta != pi/2 , then theta

If 1+sintheta+sin^2theta+sin^3theta+..to oo=4+2sqrt3 0< theta < pi , theta!=pi/2 then

If sin theta - cos theta = (sqrt(3)-1)/(2), " then " theta equals

If 1 + sintheta + sin^2theta + sin^3theta +.. oo = 4 + 2sqrt3, 0 lt theta lt pi, theta != pi/2 then

If 1+sin theta+sin^(2)theta+sin^(3)theta+...rarr oo=4+2sqrt(3)0

If r sin theta = sqrt(3), r + 4 sin theta = 2(sqrt(3)+1), 0 le theta le 2pi , then theta =

sin4 theta can be written as (a) 4sin theta(1-2sin^(2)theta)sqrt(1-sin^(2)theta)(b)2sin theta cos theta sin^(2)theta(c)4sin theta-6sin^(3)theta(d) None of the above