lf theta=(pi)/(21)th en(sin230-sin7 theta)/(sin20+sin14 theta)

If theta=(pi)/(21), then (sin23 theta-sin7 theta)/(sin2 theta+sin14 theta)=

If theta=(pi)/(21), then (sin23 theta-sin7 theta)/(sin2 theta+sin14 theta)=

If theta = (pi)/(21) , then (sin23 theta-sin 7 theta)/( sin2 theta + sin 14 theta)=

If theta = (pi)/(21) , then show that (sin 23 theta - sin 7 theta)/(sin 2 theta + sin 14 theta) = -1 .

The value of expression (sin theta+3sin3 theta+5sin5 theta+3sin7 theta)/(sin2 theta+2sin4 theta+3sin6 theta) where theta=(4 pi)/(5) is equal to

Solve sin7 theta=sin3 theta+sin theta

If pi/2 < theta < pi, then sqrt((1- sin theta)/(1+ sin theta))+sqrt((1+ sin theta)/(1- sin theta)) is equal to

If tan theta=(20)/(21), show that (1-sin theta+cos theta)/(1+sin theta+cos theta)=(3)/(7)

(sin theta+2sin3 theta+sin5 theta)/(sin3 theta+2sin5 theta+sin7 theta)=(sin3 theta)/(sin5 theta)

(sin theta+2sin3 theta+sin5 theta)/(sin3 theta+2sin5 theta+sin7 theta)=(sin3 theta)/(sin5 theta)