Question

Given thesinθ = 8/17 the ratio for cosine of θ is
. Enter your answer as a fraction.

Answer 1

Explanation:

using Pythagoras theorem adjacent will be 15

so cos will be adjacent/hypotenuse

which is 15/17=0.882

Answer 2

Cos^2=1-sin^2
=1-64/289
225/289