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Law of sines/cosines

Math · Trigonometry

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About this practice set

Law of sines/cosines is part of Math (Trigonometry). Questions are generated with new numbers each time you practise. Levels available: Easy. After you answer, an explanation is shown.

Example questions

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

  • Easy

    A triangle has sides a = 9 and b = 9, with included angle C = 90°. What is side c?