Take the unit circle quiz and prove your mastery of angles, radians, and trigonometric functions. See if you can correctly identify coordinates and functions of key angles on the unit circle. uquiz
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1 What is the sine of 45° (or π/4 radians)?
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1
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√3/2
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√2/2
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1/2
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2 What is the cosine of 90° (or π/2 radians)?
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1/2
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√3/2
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1
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0
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3 Which of the following angles corresponds to a point on the unit circle with coordinates (1, 0)?
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180° (π radians)
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90° (π/2 radians)
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45° (π/4 radians)
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0° (0 radians)
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4 What is the tangent of 30° (or π/6 radians)?
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1
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√2
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√3
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1/√3
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5 Which point on the unit circle corresponds to 270° (or 3π/2 radians)?
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(-1, 0)
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(0, 1)
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(0, -1)
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(1, 0)
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Unit Circle Quiz
Created on-
Quiz result
You're just starting to get a feel for the unit circle. Keep practicing and you'll get the hang of it!
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Quiz result
Nice work! You're familiar with most of the unit circle values. A little more practice, and you'll be an expert.
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Quiz result
Impressive! You're a unit circle pro. You have a strong grasp of angles and trigonometric functions. Keep up the great work!
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