Geometry Study Guide

Question

Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of sin x° and cos y° share?

 

Answer 1

sin x = 5/12

cos y = 5/12

angle x = 90 - y

sin (90 - y) = cos y

angle y = 90 - x

cos(90 - x) = sin x