Question

cos^2a[1+tan^2a]+sin^a[1+cot^2a]=2

Answer 1

Answer:

LHS,

${cos}^{2} a \times {sec}^{2} a \: + {sin}^{2} a \times {cosec}^{2} a =$

$1 + 1 = 2$

RHS.

Proved