What is the coterminal angle of (985^\circ) between (0^\circ) and (360^\circ)?
Answer and explanation
Correct answer: \(265^\circ\)
To find a coterminal angle, subtract a multiple of \(360^\circ\) from the given angle. \(985^\circ-2\times360^\circ=985^\circ-720^\circ=265^\circ\). Therefore, \(265^\circ\) is the coterminal angle of \(985^\circ\) between \(0^\circ\) and \(360^\circ\). The other options do not differ from \(985^\circ\) by a whole multiple of \(360^\circ\). Exam tip: reduce an angle modulo \(360^\circ\) to obtain its standard coterminal angle.
Frequently asked questions
What is the correct answer to this question?
\(265^\circ\)
Why is this the correct answer?
To find a coterminal angle, subtract a multiple of \(360^\circ\) from the given angle. \(985^\circ-2\times360^\circ=985^\circ-720^\circ=265^\circ\). Therefore, \(265^\circ\) is the coterminal angle of \(985^\circ\) between \(0^\circ\) and \(360^\circ\). The other options do not differ from \(985^\circ\) by a whole multiple of \(360^\circ\). Exam tip: reduce an angle modulo \(360^\circ\) to obtain its standard coterminal angle.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.
