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Class 12 Mathematics Trigonometric Functions AnglesExpertLevel 68

What is the reference angle of (\frac{7\pi}{5})?

Answer and explanation

Correct answer: (\frac{2\pi}{5})

(\frac{7\pi}{5}) lies in the third quadrant. The reference angle is (\frac{7\pi}{5}-\pi=\frac{2\pi}{5}).

Tags

trigonometric-functionsreference-angleradian-measure

Frequently asked questions

What is the correct answer to this question?

(\frac{2\pi}{5})

Why is this the correct answer?

(\frac{7\pi}{5}) lies in the third quadrant. The reference angle is (\frac{7\pi}{5}-\pi=\frac{2\pi}{5}).

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.

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