" 18.Thevalue of "sin^(2)29^(@)+sin^(3)theta1^(@)" is "

The value of (2 (sin2 theta-2 cos^(2)theta-1))/(cos theta-sin theta-cos 3 theta +sin 3 theta)=

The value of Delta=|(1,sin 3theta, sin^(3)theta),(2cos theta, sin 6 theta, sin^(3)2 theta),(4cos^(2)theta-1,sin 9 theta, sin^(3)3theta)| equal to

The value of Delta=|(1,sin 3theta, sin^(3)theta),(2cos theta, sin 6 theta, sin^(3)2 theta),(4cos^(2)theta-1,sin 9 theta, sin^(3)3theta)| equal to

The value of (2(sin2 theta+2cos^(2)theta-1))/(cos theta-sin theta-cos3 theta+sin3 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

2(1-2sin^(2)7theta)sin 3 theta=

If sin theta=(1)/(2) and sin phi=(1)/(3), find the value of sin(theta+phi) and sin(2 theta+2 phi)

If cos theta_(1)+cos theta_(2)+cos theta_(3)=-3 then the value of sin((theta_(1))/(2))+sin((theta_(2))/(2))+sin((theta_(3))/(2))=

Prove that cos^(2)theta sin^(3)theta=1/16(2 sin theta+sin 3theta-sin5 theta)