Question 5 (v) Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (v) (cosA−sinA+1)(cosA+sinA−1)=cosecA+cotA, using the identity cosec2A=1+cot2A.

Question 5 (v) Prove the following identities, where the angles involv

1.	Question 5 (v) Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (v) (cosA−sinA+1)(cosA+sinA−1)=cosecA+cotA, using the identity cosec2A=1+cot2A.
Answer» Question 5 (v) Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (v) $\frac{(c o s A - s i n A + 1)}{(c o s A + s i n A - 1)} = c o s e c A + c o t A$ , using the identity $c o s e c^{2} A = 1 + c o t^{2} A$ .