Precalc Test 10 - Trig Equations

Trig Functions tell us what?

• sides

• angles

• Relationship between the ratio of side lengths at a given angle

• nothing

Tags

CCSS.HSF.TF.A.2

• True

• False

Tags

CCSS.HSF-BF.B.4D

What test will you use to determine if a function is one-to-one?

• Veetical Line Test

• Horizontal Line Test

• One-to-one Test

• Function Domain-Range Test

• TRUE!

• FALSE!

Tags

CCSS.HSF.TF.B.7

Tags

CCSS.HSF-BF.B.4D

In which two quadrants is inverse sine defined?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Answer explanation

Remember, the range of inverse sine is restricted from -pi/2 to pi/2 (only Quadrants I and IV!)

Tags

CCSS.HSF-BF.B.4D

Which can be a restriction for the domain of y = cos x so the inverse cosine can be a function?

Tags

CCSS.HSF-BF.B.4D

Tags

CCSS.HSF-BF.B.4D

In which two quadrants is inverse cosine defined?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Answer explanation

Remember, the range of inverse cosine is restricted from [0, pi] (only Quadrants I and II!)

Tags

CCSS.HSF-BF.B.4D

• R 

Tags

CCSS.HSF-BF.B.4D