Question

Which equation can be used to determine the reference angle, r, if Theta = StartFraction 7 pi Over 12 EndFraction?
r = theta
r = pi minus theta
r = theta minus pi
r = 2 pi minus theta

Answer 1

Answer:

r= pi- theta on edg,.

Step-by-step explanation:

Answer 2

The equation used to determine the reference angle is r = π - θ

What is reference angle?

The reference angle is the angle between the terminal side of the angle and the x-axis.

The angle θ = (7π/12) falls in the second quadrant, hence the reference angle (r) is:

r = π - θ

The equation used to determine the reference angle is r = π - θ

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