4.5-4.8 Test Review

Find the amplitude and the period in radians for the function y = 3sec 2θ. Then sketch the graph using radians.

• Graph A

• Graph B

• Graph C

• Graph D

Find the amplitude and the period in radians for the function y = 3cos 4θ. Then sketch the graph using radians.

• Graph A

• Graph B

• Graph C

• Graph D

Which graph corresponds to the equation y = 1/2 * cot 2θ?

• Graph A

• Graph B

• Graph C

• Graph D

• 0

• 0

tan⁻¹ 0

• π/4

• -π/4

• 0

• -π/6

tan⁻¹ (sec π)

• π/2

• π

• -π/4

• π/6

sin⁻¹ (cos 2π/3)

• -π/6

• 0

• -π/3

• π/2

cos tan⁻¹ 4/3

• 4/5

• 5/3

• 3/5

• 3/4

sin cos⁻¹ -3/5

• 4/5

• 5/4

• π/6

• 4/3