But What If \(\sin A \cos A = 0\)?
Geometry
Level
3
\[\large (1 + \cot A - \csc A )(1 + \tan A + \sec A ) \]
If \(A\) can be any angle such that \(\sin A \cos A \ne 0 \), simplify the trigonometric expression above.
by
Ashrit Ramadurgam