Find the value of the expression `3{sin^4((3pi)/2-theta)+sin^4(3pi+theta)}-2{sin^6(pi/2+theta)+sin^6(5pi-theta)}`

Find the value of the expression 3{sin^(4)((3 pi)/(2)-theta)+sin^(4)(3 pi+theta)}-2{sin^(6)((pi)/(2)+theta)+sin^(6)(5 pi-theta)}

4sin(pi/3+theta)sin(pi/3-theta)=

sin theta+sin((2 pi)/(3)+theta)+sin((4 pi)/(3)+theta)=0

Find the sum of n terms: sin theta + sin(pi + theta) + sin (2pi + theta) + sin(3pi + theta)+......

Prove that 4 sin theta sin(pi/3 + theta) sin (pi/3-theta) = sin 3 theta

4 sin ((pi)/(3) + theta)sin ((pi)/(3)- theta)=

Show that 4 sin ((pi)/(3) - theta ) sin ((pi)/(3) + theta) =3-4 sin ^(2) theta

Prove that 4sinthetasin(pi/3+theta)sin((2pi)/3+theta)=sin3theta

What is the value of [ sin ( 90^(@) - 10 theta) - cos (pi - 6 theta) ] / [ cos ( pi/2 - 10 theta)- sin (pi - 6 theta) ] ?

The value of sin theta sin((pi)/(3)-theta)sin((pi)/(3)+theta) lies in [pi,theta], then pi=... and theta=...