Question

Prove that `sinA/(1-cosA) + cosA/(1-tanA) -= sinA+cosA`?

Answer 1

The given result is invalid

Explanation:

The graph of `sinA/(1-cosA) + cosA/(1-tanA)`
graph{sinx/(1-cosx) + cosx/(1-tanx) [-10, 10, -5, 5]}

The graph of `sinA+cosA`
graph{sinx+cosx [-10, 10, -5, 5]}