`lim_(theta->0)cottheta-c o s e ctheta`

Prove the following identities: (sintheta)/(cottheta+cos e ctheta)=2+(sintheta)/(cottheta-cos e ctheta)

Prove that: ((1+tan^2theta)cottheta)/(c o s e c^2theta)=tantheta

Evaluate the following limits : lim_(theta to 0)((cosectheta-cottheta)/(theta))

The value of sqrt((1+costheta)/(1-costheta)) is (a) cottheta-cos e c\ theta (b) cos e c\ theta+cottheta (c) cos e c^2theta+cot^2theta (d) (cottheta+cos e c\ theta)^2

Prove that (costheta-sintheta+1)/(costheta+sintheta-1)=c o s e ctheta+cottheta

Prove that: sqrt((1+costheta)/(1-costheta))=cos e ctheta+cottheta .

If tan theta=1/sqrt7 ,then (c o s e c^2theta-sec^2theta)/(c o s e c^2theta+sec^2theta)=?

Prove the following identities: (1-costheta)/(1+costheta)=(cos e ctheta-cottheta)^2

Prove the following trigonometric identities: (sintheta)/(1-costheta)=cos e ctheta+cottheta

Prove the trigonometric identities: sqrt((1-costheta)/(1+costheta))=cos e ctheta-cottheta