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Class 12 Mathematics Trigonometric Functions AnglesMediumLevel 69

What is the reference angle of ( \theta=\frac{8\pi}{7} )?

Answer and explanation

Correct answer: ( \frac{\pi}{7} )

( \frac{8\pi}{7} ) lies in the third quadrant, and ( \frac{8\pi}{7}-\pi=\frac{\pi}{7} ). In the third quadrant use ( \theta-\pi ).

Tags

trigonometric-functionsanglesreference-radian

Frequently asked questions

What is the correct answer to this question?

( \frac{\pi}{7} )

Why is this the correct answer?

( \frac{8\pi}{7} ) lies in the third quadrant, and ( \frac{8\pi}{7}-\pi=\frac{\pi}{7} ). In the third quadrant use ( \theta-\pi ).

Which subject and chapter does this question cover?

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

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