What is the principal angle between (0) and (2\pi) for (-\frac{83\pi}{10})?

Question

Answer and explanation

Correct answer: (\frac{17\pi}{10})

(-\frac{83\pi}{10}+10\pi=\frac{17\pi}{10}). In exams, add a suitable large multiple of (2\pi) to bring the angle into the given interval.

What is the correct answer to this question?

(\frac{17\pi}{10})

Why is this the correct answer?

(-\frac{83\pi}{10}+10\pi=\frac{17\pi}{10}). In exams, add a suitable large multiple of (2\pi) to bring the angle into the given interval.

Which subject and chapter does this question cover?

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