Trigonometry - Exact Values

In the triangle shown, what is the size of third internal angle? (you don't need to include a degree symbol)

Tags

CCSS.7.G.B.5

Given that side a has a length of 1, what would be the length of side c?

• 2

• $\sqrt{2}$

• $\sqrt{3}$

• 1

Tags

CCSS.HSG.SRT.C.8

Given that side a has a length of 1, what would be the length of side b?

• 2

• $\sqrt{2}$

• $\sqrt{3}$

• 1

Tags

CCSS.HSG.SRT.C.8

What is the exact value of  $\sin\left(30\degree\right)$ ?

•  $\frac{1}{2}$  

•  $\frac{1}{\sqrt{3}}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.C.8

What is the exact value of  $\cos\left(30\degree\right)$ ?

•  $\frac{1}{2}$  

•  $\frac{1}{\sqrt{3}}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.A.2

What is the exact value of  $\tan\left(30\degree\right)$ ?

•  $\frac{1}{2}$  

•  $\frac{1}{\sqrt{3}}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.A.2

What is the exact value of  $\sin\left(60\degree\right)$ ?

•  $\frac{1}{2}$  

•  $\frac{1}{\sqrt{3}}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.C.8

What is the exact value of  $\cos\left(60\degree\right)$ ?

•  $\frac{1}{2}$  

•  $\frac{1}{\sqrt{3}}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.A.2

What is the exact value of  $\tan\left(60\degree\right)$ ?

•  $\frac{1}{2}$  

•  $\frac{1}{\sqrt{3}}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.A.2

What is the exact length of side AB in the triangle shown?

• 2

• 1.41

• $\sqrt{3}$

• $\sqrt{2}$

Tags

CCSS.8.G.B.8