Finding Trigonometric Ratios of Special Angles

Which of the following are the trigonometric special angles?

• $45^{\degree},\ 20^{\degree},\ 0^{\degree},\ 90^{\degree},\ 60^{\degree}$

• $50^{\degree},\ 20^{\degree},\ 0^{\degree},\ 80^{\degree},\ 60^{\degree}$

• $\ 0^{\degree},\ 90^{\degree},\ 60^{\degree},\ 35^{\degree},\ 45^{\degree}$

• $\ 0^{\degree},\ 90^{\degree},\ 60^{\degree},\ 30^{\degree},\ 45^{\degree}$

What angle measurement of special right triangles do sine and cosine have the same value?

• $90\degree$

• $60\degree$
  

• $45\degree$
  

• $30\degree$
  

Tags

CCSS.HSG.SRT.C.7

What is the value of sin 0º?

• 0
• 1
• undefined

Tags

CCSS.HSF.TF.A.2

What is the exact value of  $\sin\ 30^{\degree}$  

•  $\frac{1}{2}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSG.SRT.C.7

What is the exact value of  $\cos\ 60\degree$  

•  $\frac{1}{2}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.A.2

What is the exact value of  $\sin\ 60\degree$   

•  $\frac{1}{2}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.A.2

What is the exact value of  $\cos\ 30\degree$  

•  $\frac{1}{2}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSF.TF.A.2

What is the exact value of  $\tan\ 30\degree$  

•  $\frac{\sqrt{3}}{3}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSG.SRT.C.7

What is the exact value of  $\tan\ 60\degree$  

•  $\frac{\sqrt{3}}{3}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\sqrt{3}$  

Tags

CCSS.HSG.SRT.C.7

What is the exact value of  $\tan\ 45\degree$  

•  $\frac{\sqrt{3}}{3}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $1$  

Tags

CCSS.HSF.TF.A.2