Question

(cosec A - cotA)² = 1 - cosA/ 1 + cosA ​

Answer 1

Answer:

Given, (cosec A - cot A) ^

=(1/sin A - cos A/ sin A) ^

=(1-cos A/ sin^ A) ^

=(1-cos A) ^/sin ^A

=(1-cos A) (1-cos A) /1-cos^A

=(1-cos A) (1-cos A) /(1-cos A) (1+cos A)

=1-cos A/1+cos A

=RHS