In which quadrants is the cosine negative? Select all that apply. (Remember cosine = x/r)

• I

• II

• III

• IV

Tags

CCSS.HSF.TF.A.2

Point (-1, -3) is on the terminal side of an angle in standard position. What is the value of r?

• 4

• 10

• √10

• √8

Tags

CCSS.HSF.TF.A.2

Point (-1,-3) is on the terminal side of angle A in standard position. What is the value of tan A?

• -1/3

• 1/3

• -3

• 3

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CCSS.HSF.TF.A.2

Point (2, -5) is on the terminal side of angle B in standard position. What is the value of cos B?

• -5√29/29

• 2√29/29

• 2/-5

• 5/-2

Tags

CCSS.HSF.TF.A.2

The terminal side of angle C lies in quadrant II. Which of the following ratios are negative? Select all that apply.

• sin C

• cos C

• tan C

• sec C