10 Question Unit Practice

Algebra and Trigonometry: Unit Circle and Trigonometric Functions

Algebra and Trigonometry: Unit Circle and Trigonometric Functions practice with 10 questions across three difficulty levels, including diagram-based reasoning, immediate feedback, and a complete explanation for every answer.

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Algebra and Trigonometry: Unit Circle and Trigonometric Functions MCQ Practice

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What is the exact value of $\displaystyle \cos \left(\frac{5 \pi }{4}\right)$ ?

Diagram for this question

\displaystyle \frac{-\sqrt{2}}{2}

\displaystyle \frac{-1}{2}

\displaystyle \frac{\sqrt{2}}{2}

\displaystyle \frac{-\sqrt{3}}{2}

Algebra and Trigonometry: Unit Circle and Trigonometric Functions

Algebra and Trigonometry: Unit Circle and Trigonometric Functions MCQ Practice

What is the exact value of cos⁡(5π4)\displaystyle \cos \left(\frac{5 \pi }{4}\right)cos(45π​)?

What is the exact value of $\displaystyle \cos \left(\frac{5 \pi }{4}\right)$ ?