Equations of Trigonometric Functions

What is the phase shift for

y = 4 cos(x +π) - 2?

• up 2

• left pi

• right pi

• down 2

Tags

CCSS.HSF-IF.C.7E

What transformation is caused by "a" being negative: 

f(x) = −4cos(15x)+2

Tags

CCSS.HSF-IF.C.7E

One solution of cos x = ½ is 60⁰, which of these is another solution?

• 300⁰

• 120⁰

• 240⁰

• 330⁰

Tags

CCSS.HSF.TF.B.7

One solution of cos x = -½ is 120⁰, which of these is another solution?

• 300⁰

• 120⁰

• 240⁰

• 330⁰

Tags

CCSS.HSF.TF.B.7

One solution of sin x = ½ is 30⁰, which of these is another solution?

• 300⁰

• 150⁰

• 210⁰

• 330⁰

Tags

CCSS.HSF.TF.B.7

One solution of tan x = √3 is 60⁰, which of these is another solution?

• 300⁰

• 120⁰

• 240⁰

• 330⁰

Tags

CCSS.HSF.TF.B.7

One solution of tan x = -1 is 135⁰, which of these is another solution?

• 315⁰

• 135⁰

• 225⁰

• 330⁰

Tags

CCSS.HSF.TF.B.7

On the domain [0, 2π), where does csc x = 1?

• 0

• ½π

• π

• ¾π

Tags

CCSS.HSF.TF.B.7

One solution of  tan x = -1 is x = 7π/4, which of these is another solution?

• 0

• ½π

• π

• ¾π

Tags

CCSS.HSF.TF.B.7

Which of these equations has the same solutions as sec x = 2?

• cos x = 2

• cos x = ½

• sin x = 2

• sin x = ½

Tags

CCSS.HSF.TF.B.7