ACT MATH · Trigonometry Basics · Standard

Trigonometry Basics: A point on the unit circle has coordinates math. What angle in degrees corresponds to it?

SOH-CAH-TOA, unit circle values.

Try the problem

A point on the unit circle has coordinates (0,−1)(0,-1). What angle in degrees corresponds to it?

Hint and answer

Concept to use

Special angles on unit circle.

Hint

It lies on the negative yy-axis.

Answer

270°

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