Question

Analyze the diagram below and complete the instructions that follow.
Find sin 60 degree

Answer 1

sin 60° = 0.9

Explanation:

sin 60° = cos 30°

cos 30° = 0.866025403

0.866025403 to one significant figure

0.866025403 ~ 0.9

~. means approximately.

therefore sin 60° = cos 30°

sin 60° = 0.9