In which quadrant will the terminal side of ( \frac{4\pi}{9} ) radians lie?

(0<\frac{4\pi}{9}<\frac{\pi}{2}), so it lies in the first quadrant. Check the interval of small positive radian angles carefully.

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

Question

Answer and explanation

Correct answer: First quadrant

(0<\frac{4\pi}{9}<\frac{\pi}{2}), so it lies in the first quadrant. Check the interval of small positive radian angles carefully.

What is the correct answer to this question?

First quadrant

Why is this the correct answer?

(0<\frac{4\pi}{9}<\frac{\pi}{2}), so it lies in the first quadrant. Check the interval of small positive radian angles carefully.

Which subject and chapter does this question cover?

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