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Class 12 Mathematics Trigonometric Functions AnglesHardLevel 68

If (72^\circ) is converted into radians and written as (\frac{k\pi}{5}), what is (k)?

Answer and explanation

Correct answer: (2)

(72^\circ=\frac{72\pi}{180}=\frac{2\pi}{5}), so (k=2). In exams, always simplify the fraction.

Tags

trigonometry angles conversion hard class11

Frequently asked questions

What is the correct answer to this question?

(2)

Why is this the correct answer?

(72^\circ=\frac{72\pi}{180}=\frac{2\pi}{5}), so (k=2). In exams, always simplify the fraction.

Which subject and chapter does this question cover?

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

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