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Class 12 Mathematics Trigonometric Functions AnglesMediumLevel 68

Which is the reference angle of ( \theta=\frac{11\pi}{6} )?

Answer and explanation

Correct answer: ( \frac{\pi}{6} )

( \frac{11\pi}{6} ) lies in the fourth quadrant and (2\pi-\frac{11\pi}{6}=\frac{\pi}{6}). In the fourth quadrant use (2\pi-\theta).

Tags

trigonometric-functionsanglesreference-angle

Frequently asked questions

What is the correct answer to this question?

( \frac{\pi}{6} )

Why is this the correct answer?

( \frac{11\pi}{6} ) lies in the fourth quadrant and (2\pi-\frac{11\pi}{6}=\frac{\pi}{6}). In the fourth quadrant use (2\pi-\theta).

Which subject and chapter does this question cover?

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

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