Precalculus Quiz Review 4.1-4.4

What is  $270\degree$  in radians?

• $\frac{\pi}{4}$

• $\frac{3\pi}{2}$

• $\frac{3\pi}{4}$

• $\frac{\pi}{2}$

Tags

CCSS.HSF.TF.A.2

What is $\frac{7\pi}{4}$ in degrees?

•  $300\degree$  

•  $135\degree$  

•  $315\degree$  

•  $45\degree$  

Tags

CCSS.HSF.TF.A.2

Find a coterminal angle to 45 degrees.

• 360
• 405
• 315
• 295

Find a coterminal angle to -180 degrees.

• 180
• 90
• 270
• 360

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

cos 4π/3

• -√3/2
• √3/2
• 1/2
• -1/2

Tags

CCSS.HSF.TF.A.2

sin 2π/3

• 1/2
• -1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

What is the value of cosine at 135

• 0
• 1/2
• √2 /2
• -√2 /2

Tags

CCSS.HSF.TF.A.2

What is the value of sine at 210?

• 1/2
• -1/2
• √3 / 2
• -√3 / 2

Tags

CCSS.HSF.TF.A.2