" 16."int(cos ec theta-cot theta)/(cos ec theta+cot theta)d theta=

int(cos ec theta-cot theta)/(cos ec theta+cot theta)dth eta

(sin theta)/(1-cos theta)=cos ec theta+cot theta

Prove (sec theta+tan theta)/(cos ec theta+cot theta)=(cos ec theta-cot theta)/(sec theta-tan theta)

a=sec theta-tan theta,b=cos ec theta+cot theta rArr a=

If pi

If cos ec theta-cot theta=alpha, then cot theta is

Prove the following identity: (cos ec theta-s int h eta)(sec theta-cos theta)(tan theta+cot theta)=1

Prove the following identity: cos ec theta(sec theta-1)-cot theta(1-cos theta(1-cot theta)=tan theta-s int h eta

Prove the following identities: (cos ec theta-sin theta)(sec theta-cos theta)(tan theta+cot theta)=1

If x=sec theta+tan theta, y=cos ec theta-cot theta then y =