" (iii) "(sin^(2)theta)/(1-sin^(2)theta)=(1)/(3)

tan theta= A) (sqrt(1-sin^(2)theta))/(sin theta) , B) (1)/(sec theta) , C) (sin theta)/(sqrt(1-sin^(2)theta)) D) (1)/(sqrt(1+Cot^(2)theta)

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

Prove the following identities: ((1+sin theta)^(2)+(1-sin theta)^(2))/(cos^(2)theta)=2((1+sin^(2)theta)/(1-sin^(2)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

(cos^(2)theta(1-cos theta))/(sin^(2)theta(1-sin theta))=(1+sin theta)/(1+cos theta)

Prove the following 1.((1-cos^(2)theta)/(sin^(2)theta))=12.1-((cos^(2)theta)/(1+sin theta))=sin theta

If the line passing through origin makes angles theta_(1), theta_(2), theta_(3) with the planes XOY, YOZ and ZOX, then sin^(2)theta_(1)+sin^(2)theta_(2)+sin^(2)theta_(3)=

If a line makes angles theta_(1), theta_(2), theta_(3) with the coordinates planes, then sin^(2)theta_(1)+sin^(2)theta_(2)+sin^(2)theta_(3)= ………….

Prove that (1+sin2 theta)/(1-sin2 theta)=((1+tan theta)/(1-tan theta))^(2)

Prove that (1+sin2 theta)/(1-sin2 theta)=((1+tan theta)/(1-tan theta))^(2)