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Unit circle

Math · Trigonometry

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About this practice set

Unit circle is part of Math (Trigonometry). Questions are generated with new numbers each time you practise. Levels available: Easy, Medium, Hard. After you answer, an explanation is shown.

Example questions

A taste of what you will practise. Answers are revealed after you try.

  • Easy

    What is tan(0°)? (Give a decimal rounded to 2 places, or the exact value.)

  • Medium

    What is tan(π/4)? (Give a decimal rounded to 2 places, or the exact value.)

  • Hard

    What is sin(90°)? (Give a decimal rounded to 2 places, or the exact value.)