Unit Circle Mastery!!

sin -90^o

• 0

• 1

• -1

• und

Tags

CCSS.HSF.TF.A.2

Find sin(-240°)

• (√3)/2)

• (-1/2)

• (√2/2)

• (1/2)

Tags

CCSS.HSF.TF.A.4

State the exact value of the trigonometric function of the following angle on the unit circle.

 $\sin\ 210\degree$  

•  $-\frac{1}{2}$  

•  $0$  

•  $-\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

Tags

CCSS.HSF.TF.A.2

State the exact value of the trigonometric function of the following angle on the unit circle.

 $\cos\ 300\degree$  

•  $\frac{\sqrt{3}}{2}$  

•  $1$  

• -1

•  $\frac{1}{2}$  

Tags

CCSS.HSF.TF.A.2

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2

Tags

CCSS.HSF.TF.A.2

What is the value of sine at 330˚

• 1/2
• -1/2
• √3 / 2
• -√3 / 2

Tags

CCSS.HSF.TF.A.2

What is the value of cosine at 315˚

• 0
• 1
• √2 / 2
• -√2 /2

Tags

CCSS.HSF.TF.A.2

In which quadrants is "sinθ˚" a positive value?

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2

In which quadrants is "Cosθ˚" a positive value?

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2

The sine of 30˚ is equal to the cosine of ____?___ degrees.

Tags

CCSS.HSG.SRT.C.7