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Class 12 Mathematics Trigonometric Functions AnglesHardLevel 68

If a wheel makes (45) revolutions, through how many radians does it rotate?

Answer and explanation

Correct answer: (90\pi)

One revolution is (2\pi) radians, so (45) revolutions are (90\pi) radians. In exams, multiply revolutions by (2\pi).

Tags

trigonometry angles rotation hard class11

Frequently asked questions

What is the correct answer to this question?

(90\pi)

Why is this the correct answer?

One revolution is (2\pi) radians, so (45) revolutions are (90\pi) radians. In exams, multiply revolutions by (2\pi).

Which subject and chapter does this question cover?

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

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