### Home > INT2 > Chapter 12 > Lesson 12.2.1 > Problem 12-63

12-63.

A 30º-60º-90º triangle has a hypotenuse of length 2 units. Sketch and label the triangle, including the length of each side. Then use your diagram to determine exact values for the following trig expressions. Homework Help ✎ tan 30º

sin 30º

cos 30º

How is sin 60º related to cos 30º? Is the relationship true for any pair of acute angles in a right triangle? Explain your reasoning.