Trig for Any Angle

If θ is an angle in Quadrant IV, which trig ratio(s) will be positive

• sin θ

• cos θ

• tan θ

• cos θ and tan θ

Tags

CCSS.HSF.TF.A.2

If θ is an angle in Quadrant II, which trig ratio(s) will be positive

• sin θ

• cos θ

• tan θ

• cos θ and sin θ

Tags

CCSS.HSF.TF.A.2

If θ is an angle in Quadrant III, which trig ratio(s) will be positive

• sin θ

• cos θ

• tan θ

• sin θ, cos θ, tan θ

Tags

CCSS.HSF.TF.A.2

Let (-4, 3) be a point on the terminal side of θ. Which of the following is FALSE?

• cot θ = -4/3

• tan θ = -3/4

• sin θ = 3/5

• cos θ = 4/5

Tags

CCSS.HSF.TF.A.2

If tanθ = -¾ and cscθ > 0, then secθ =

• -4/5

• 5/4

• -5/4

• 4/5

Tags

CCSS.HSF.TF.C.8

If sinθ = -5/13 and tanθ > 0, then cosθ =

• 13/12

• -13/12

• 12/13

• -12/13

Tags

CCSS.HSF.TF.C.8

What is positive in Q4?

• all trig functions

• sine

• cosine

• tangent

Tags

CCSS.HSF.TF.A.2

What is the reference angle?

• 163

• 73

• 27

• 107

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

What is the reference angle?

• 43

• -43

• 47

• -47

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSG.C.B.5

What is the reference angle?

• 112

• 68

• 158

• 248

Tags

CCSS.HSF.TF.A.2