Question

Cosine, tangent, and sine (topic) how do you solve this (work shown please)

Answer 1

Sine θ = $\frac{opposite}{hypotenuse}$
Cosine θ = $\frac{adjacent}{hypotenuse}$
Tangent θ = $\frac{opposite}{adjacent}$

∴ $Sin x = \frac{e}{f}$
   $Cos x = \frac{d}{f}$
   $Tan x = \frac{e}{d}$