PreCalc Chapter 5 Test Review

Find the exact value. 
cos (240) = 

• 53/12
• -√(3)/2
• -1/2
• √(3)/2

Tags

CCSS.HSF.TF.A.2

Find the exact value.
cos (30)

• √(3)/2
• 1/4
• 1/2
• 1

Tags

CCSS.HSF.TF.A.2

Write the following expression as the sine, cosine, or tangent of an angle.
cos(175)cos(55)+sin(175)sin(55)

• sin(120)
• cos(120)
• cos(230)
• sin(230)

Tags

CCSS.HSF.TF.C.9

Find the exact value of the expression.
cos(20)cos(40) - sin(20)sin(40)

• 1/4
• 1/2
• √(3)/2
• √(3)

Tags

CCSS.HSF.TF.C.9

Re-write using the sum or difference formula: 
sin(5π/12)cos(π/4) - cos(5π/12)sin(π/4)

• sin(π/6)
• cos(π/6)
• sin(4π/5)
• cos(4π/5)

Tags

CCSS.HSF.TF.C.9

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Given: B = 70°, a = 11, C = 40° Find: c

• 11
• 7.5
• 70
• 8

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

A=122° c=22 a=31 find B

• 37
• 21
• 13.1
• 49

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11