`sin(pi+theta)sin(pi-theta)cosec^2theta=`

A

1

B

-1

C

`sin theta`

D

`-sin theta`

Verified by Experts

Similar Questions

Explore conceptually related problems

The value of sin(pi+theta)sin(pi-theta)cosec^(2)theta is equal to .................. A) 1 B) -1 C) sin theta D) -sin theta

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

Prove that : (sin theta)/(1 - costheta) = cosec theta + cot theta

sin theta . Cosec theta = ?

Prove that : tan theta - cot theta = (2 sin^(2) theta - 1)/(sin theta cos theta)

(xv) (cos^2 theta) / (1- tan theta) +( sin^3 theta)/ (sin theta - cos theta) = 1 + sin theta cos theta

Prove : (cos^2 theta)/(1-tan theta) + (sin^3 theta)/(sin theta-cos theta) = 1 + sin theta cos theta

cos^2(pi/6+theta)-sin^2(pi/6-theta)=

Prove that : (1-sin theta cos theta)/ (cos theta (sec theta - cosec theta)) times (sin^2 theta - cos^2 theta)/(sin^3 theta + cos^3 theta) = sin theta