Sine and Cosine Unit Circle

sin 2π/3

• 1/2

• -1/2

• √3/2

• -√3/2

Tags

CCSS.HSF.TF.A.2

What is the exact value of cos 315°

• none of the answer choices

Tags

CCSS.HSF.TF.A.2

cos 4π/3

• -√3/2

• √3/2

• 1/2

• -1/2

Tags

CCSS.HSF.TF.A.2

sin 7π/6

• 1/2

• -1/2

• √3/2

• -√3/2

Tags

CCSS.HSF.TF.A.2

Find sin(-240°)

• (√3)/2)

• (-1/2)

• (√2/2)

• (1/2)

Tags

CCSS.HSF.TF.A.4

-√3/2

-½

-√2/2

-1

• -√3/2

• -½

• -√2/2

• -1

Tags

CCSS.HSF.TF.A.2

Which quadrant has a negative sine value and a positive cosine value?

• I

• II

• III

• IV

Tags

CCSS.HSF.TF.A.2

sin(120^o)

Tags

CCSS.HSF.TF.A.2

Which quadrant has a positive sine value and a negative cosine value?

• I

• II

• III

• IV

Tags

CCSS.HSF.TF.A.2

Which quadrant has a positive sine value and cosine value?

• I

• II

• III

• IV

Tags

CCSS.HSF.TF.A.2