(1 + cot 2 A) + (1 + tan 2 A) is equal to : 1. 2. sec 2 A - cosec 2 A 3. sin 2 A - sin 4 A 4. sec 2 A.cosec 2 A

Solving, ⇒ (1 + cot 2 A) + (1 + tan 2 A) ⇒ cosec 2 A + sec 2 A ⇒ ⇒ Substituting, sin 2 A + cos 2 A = 1, we get : ⇒ ⇒ cosec 2 A. sec 2 A Hence, Option 4 is the correct option.