Trigonometric Ratios of Special Angles

What is the exact value of sin 30 $\degree$  ?

• 1

• $\frac{\sqrt{3}}{2}$

• $\frac{1}{2}$

• $\frac{\sqrt{2}}{2}\$

With respect to a right triangle, what is the ratio of the hypotenuse to the opposite side?

• sine

• cosine

• tangent

• cosecant

What is the length of x?

• 8

• 8 $\sqrt{2}$

• $\sqrt{2}$

• 1

What is the exact value of tan 30⁰?

• $\sqrt{3}$

• $\frac{1}{2}$

• $\frac{\sqrt{3\ }}{3}$

• 1

Find the length of side AB.

• 9

• $9\sqrt{2}$

• $\sqrt{2}$

• 18

What is the length of side BC?

• 18

• $\sqrt{2}$

• $9\sqrt{2}$

• 3

What is sin 60⁰?

• $\frac{1}{2}$

• $\frac{\sqrt{3\ }}{2}$

• $\frac{\sqrt{3}}{3}$

• 2

Given a 30-60-90 triangle, what is the length of the longest side?

• 6

• $6\sqrt{3}$

• $\sqrt{3}$

• 3

What is the exact value of cot 45⁰?

• $\sqrt{3}$

• $\frac{1}{2}$

• 1

• $\sqrt{2}$

Given a 30-60-90 triangle, what is the measure of the shortest side?

• 18

• $18\sqrt{3}$

• $6\sqrt{3}$

• 6