Question

Sin⁴∅-Cos⁴∅/Sin∅-Cos∅=Sin∅+Cos∅​

Answer 1

whattt i don't get it lol

Answer 2

Consider LHS:

Simplify using half angle formula.

`\frac{ \sin {}^(2) (x) - \cos {}^(2) (x) }{ \sin(x) - \cos(x) } = \sin(x) + \cos(x)`

Divide LHS

`\sin(x) + \cos(x) = \sin(x) + \cos(x)`