Find the value of the trigonometric ratio. Simplify the ratio if possible. (Hint: You may need to use some pythagorean theorem first!)

Question

asked Nov 1, 2022 103k views

1 Answer

DixonD · Answer 1 · 2022-11-07T18:19:51+0000

Explanation:

Given that,

BC = 8

Ac = 15

We can find AB using the pythagoas theorem.

$AB=√(AC^2+BC^2)\\\\=√(15^2+8^2)\\\\AB=17$

We know that,

$\cos\theta=(B)/(H)$ , B is base and H is Hypotenuse

$\cosB=(8)/(17)$

Hence, this is the required solution.