In which quadrant will the terminal side of (-1460^\circ) lie?
Answer and explanation
Correct answer: Fourth
The angle is negative. Adding \(1440^\circ\), which represents four complete rotations, gives \(-1460^\circ+1440^\circ=-20^\circ\). The angle \(-20^\circ\) is coterminal with \(340^\circ\), and \(340^\circ\) lies between \(270^\circ\) and \(360^\circ\). Hence, its terminal side lies in the fourth quadrant. An angle in the second quadrant would lie between \(90^\circ\) and \(180^\circ\). Exam tip: For a negative angle, add a suitable multiple of \(360^\circ\) to obtain a coterminal angle between \(0^\circ\) and \(360^\circ\).
Frequently asked questions
What is the correct answer to this question?
Fourth
Why is this the correct answer?
The angle is negative. Adding \(1440^\circ\), which represents four complete rotations, gives \(-1460^\circ+1440^\circ=-20^\circ\). The angle \(-20^\circ\) is coterminal with \(340^\circ\), and \(340^\circ\) lies between \(270^\circ\) and \(360^\circ\). Hence, its terminal side lies in the fourth quadrant. An angle in the second quadrant would lie between \(90^\circ\) and \(180^\circ\). Exam tip: For a negative angle, add a suitable multiple of \(360^\circ\) to obtain a coterminal angle between \(0^\circ\) and \(360^\circ\).
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.