[" Prove it कि- "],[qquad (cos theta)/(sec(90^(@)-theta)+1)+(sin(90^(@)-theta))/(cosec theta-1)=2cot(90^(@)-theta)]

sin theta cos(90^(@)-theta)+cos theta sin(90^(@)-theta)

Prove that (cos theta cos(90^(@)-theta))/(cot(90^(@)-theta))=cos^(2)theta

(cos(90^(@)-theta).sec(90^(@)-theta).tantheta)/(cosec(90^(@)-theta).sin(90^(@)-theta).cot(90^(@)-theta))=?

Prove that (cos(90^(@)-theta))/(1+sin(90^(@)-theta))+(1+sin(90^(@)-theta))/(cos(90^(@)-theta))=2cosec theta

Evaluate : sin theta cos theta - (sin theta cos (90^(@) - theta) cos theta)/( sec (90^(@) - theta)) - (cos theta sin (90^(@) - theta) sin theta)/( cosec (90^(@) - theta))

Prove that:b. cos(90^@-theta)/(1+sin(90^@-theta))+(1+sin(90^@-theta))/cos(90^@-theta)=2cosectheta

Prove that (cos(90^(@)+theta)sec(270^(@)+theta)sin(180^(@)+theta))/(cosec(-theta)cos(270^(@)-theta)tan(180^(@)+theta))

Prove that sin (270^(@)-theta) sin (90^(@)-theta)-cos(270^(@)-theta) cos (90^(@)+theta)+1=0

(cos(90^@+theta)sec(-theta)tan(180^@-theta))/(sin(360^@+theta)sec(180^@+theta)cot(90^@-theta))=

Prove that (cos(90^(@)+theta)sec(-theta)tan(180^(@)-theta))/(sec(360^(@)-theta)sin(180^(@)+theta)cot(90^(@)-theta))=-1