Unit 7 Review - Trig Functions

Which of the following could be the correct function for the graph?

• y = 2secx - 1

• y = 2sinx - 1

• y = 2cscx - 1

• y = 2cosx - 1

7.  What is the phase shift for y = 4cos(¹/₂x +π) - 2?

• left pi/2
• right pi/2
• right 2pi
• left 2pi

Tags

CCSS.HSF-IF.C.7E

8.  What is the period for y = 4cos(¹/₂x +π) - 2?

• pi/2
• pi
• 3pi
• 4pi

tan(sin^-1(-1/2))

• √3
• √3/3
• -√3
• -√3/3

Tags

CCSS.HSF.TF.A.2

Arccos(sin 5π/4)

• 3π/4
• π/2
• π/6
• π/3

Tags

CCSS.HSF.TF.B.7

What is the midline for

y=2cos(1/3x +π/6) +2

• y = 1/3

• y = -2

• y = 2

• y = 4

Tags

CCSS.HSF-IF.C.7E

Write the equation for a sine function with an amplitude of 6 and a period of π/4.

• y=6sin(8x)
• y=6sin8(x-1)
• y=6sin1/4x
• y=6sinx

Tags

CCSS.HSF.TF.A.4

Write an equation for the cosine function with amplitude 3, period 2pi, phase shift of pi, and vertical shift of 5.

• y = 5cos(x - pi) + 3
• y = 3cos(x - pi) + 5
• y = 3cos(2x - pi) + 5
• y = 5cos(2x - pi) + 3

Tags

CCSS.HSF-IF.C.7E

Convert the following to degrees:
-8π/5 radians

• -288⁰
• -260⁰
• -275⁰

Tags

CCSS.HSF.TF.A.1

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6

Tags

CCSS.HSF.TF.A.1