Tangent part two

We can also define tan θ by looking at a single right angled triangle.

We showed that tan θ = sin θ ÷ cos θ

We know that sin θ = O ÷ H

and cos θ = A ÷ H

so tan θ = (O ÷ H) ÷ (A ÷ H) = O ÷ A

tan  θ is the opposite divided by the adjacent.