An angle lies in the second quadrant and its reference angle is (18^\circ). What is the angle in radians?
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Answer and explanation
Correct answer: (\frac{9\pi}{10})
In the second quadrant the angle is (180^\circ-18^\circ=162^\circ). (162^\circ=\frac{9\pi}{10}) radians.
Frequently asked questions
What is the correct answer to this question?
(\frac{9\pi}{10})
Why is this the correct answer?
In the second quadrant the angle is (180^\circ-18^\circ=162^\circ). (162^\circ=\frac{9\pi}{10}) radians.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.
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