Question

Trigonometry Problem

Find the length of the missing side.

Answer 1

Answer:

  19.0

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the relationship ...

  Cos = Adjacent/Hypotenuse

  cos(38°) = 15/w

  w = 15/cos(38°) ≈ 19.035

The length of the missing side is about 19.0.