apps of trigo.

We don't see any expressions for comparison of equivalence, but you may compare these solution.

x, y - initial horizontal and vertical distances of the foot and top of the ladder.

tanθ₁ = y/x

y = xtanθ₁

tanθ₂ = (y - h₂)/(x + h₁)

Use these.

Regards,

Team,

TopperLearning.