If a negative angle has principal angle (72^\circ) and is (5) complete revolutions behind (72^\circ), what is the angle?
Answer and explanation
Correct answer: (-1728^\circ)
The angle is (72^\circ-5\times360^\circ=-1728^\circ). In exams, going behind means subtracting multiples of (360^\circ).
Frequently asked questions
What is the correct answer to this question?
(-1728^\circ)
Why is this the correct answer?
The angle is (72^\circ-5\times360^\circ=-1728^\circ). In exams, going behind means subtracting multiples of (360^\circ).
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.