An angle drawn in standard position has a terminal side that passes through the point (√2, √2). What is one possible measure of the angle?

A45

b.225

c.315

d.330



In a circle, an arc of length 8π cm is intercepted by a central angle of 2π/3 radians. What is the radius of the circle?

a.3π/16 cm

B16π/3 cm

c.16π^2/3

d.12 cm


Two arcs have the same length. One arc is intercepted by an angle of 3π/2 radians in a circle of radius 15 cm. If the radius of the other circle is 25 cm, what central angle intercepts the arc?

a.3π/2 radians

B9π/10 radians

C7π/6 radians

D5π/3 radians

which function has a period of 4π?

Ay=tan4θ

b.y=tan2θ

c.y=tan1/2θ

d.y=tan1/4θ


which function is a phase shift of y=sinθ by 5 units to the left?

y=5sinθ

y=sinθ+5

y=sin(θ+5)

y=sin5θ


which function is a transition of y=cos θ by 5 units down?

a.y= -5cosθ

b.y= cosθ-5

Cy= cos(θ-5)

Dy= cos(-5θ)