Trig Unit 1 review

What is the amplitude of y=3sin(7x)-2?

• 7

• -2

• 3

• 6

What is the period of

y=5cos3(x-π)+4?

• π/3

• π/5

• 2π/3

• 2π/5

cos 5π/3

• -√3/2

• √3/2

• 1/2

• -1/2

What is the amplitude of the graph?

• 1

• 3

• 6

• 9

What shift is happening in the function y=2sinx+4

• Right 4

• Left 4

• Down 4

• Up 4

sin 3π/4

• -√2/2

• 1/2

• √3/2

• √2/2

What is the equation of the function shown?

• y=-2cosx

• y=cos2x

• y=2cosx

• y=2cos2x

cos 5π/6

• -1/2

• 1/2

• √3/2

• -√3/2

What is the period of the function y=7cos6x?

• 2π

• 6π

• 6

• π/3

Find a coterminal angle to 45 degrees.

• 360

• 405

• 315

• 295