Unit Circle & Trig

What is the exact value of sin (π/4)

• √2∕2

• 1/2

• √3/2

• 0

Tags

CCSS.HSF.TF.A.2

What is the exact value of cos (5π/6)

• -1/2

• 1/2

• √3/2

• -√3/2

Tags

CCSS.HSF.TF.C.9

What is the exact value of cos (60°)

• 0

• 1/2

• √3/2

• 1

Tags

CCSS.HSF.TF.A.2

What is the exact value of sin (150°)

• -1/2

• -√3/2

• 1/2

• √3/2

Tags

CCSS.HSF.TF.A.2

What are the coordinates of 60° on the unit circle?

• (0, 1)
• (1/2, √3/2)
• (√3/2, 1/2)
• (√2/2, 1/2)

Tags

CCSS.5.G.A.1

What is the exact coordinates of  3π/4 on the unit circle?

• (−√2∕2, √2∕2)
• (−√2∕2, −√2∕2)
• (−√3∕2, −√2∕2)
• (√2∕2, −√2∕2)

Tags

CCSS.HSF.TF.A.2

Find the exact value of the cos (225⁰)

• -√3/2

• √3/2

• √2/2

• -√2/2

Tags

CCSS.HSF.TF.A.2

At θ = 30°, what is the equivalent angle measure in radians?

• π/2
• π/3
• π/4
• π/6

Tags

CCSS.HSF.TF.A.1

What radian measure corresponds to the point on the unit circle?

• π/4

• 3π/2

• 5π/4

• 7π/3

Tags

CCSS.HSF.TF.A.2

What is the function that matches this graph?

• $f\left(x\right)=\sin\left(x\right)$

• $f\left(x\right)=\cos\left(x\right)$

• $f\left(x\right)=\tan\left(x\right)$

Tags

CCSS.HSF-IF.C.7E