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Grade 11 · Precalculus

Trigonometric functions

456 problems in this skill, each with a solver-verified answer key. Answers are checked the moment you submit — with a hint if you want one and a worked solution afterwards.

What the problems look like

A few statements from this skill. Answers, hints and worked solutions live in the practice session.

  1. Warm-up

    A right triangle has hypotenuse 4444 and the side opposite angle θ\theta has length 1010. Find θ\theta to the nearest tenth of a degree.

  2. Warm-up

    A right triangle has hypotenuse 3333 and the side opposite angle θ\theta has length 77. Find θ\theta to the nearest tenth of a degree.

  3. Warm-up

    A right triangle has hypotenuse 4040 and the side opposite angle θ\theta has length 33. Find θ\theta to the nearest tenth of a degree.

Problems shown under their original terms: Generated (template, solver-computed).

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See every Precalculus skill for grade 11