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Class 12 Mathematics Trigonometric Functions Trigonometric functions and their propertiesHardLevel 70

Where is (\cosec x) not defined?

Answer and explanation

Correct answer: \(x=n\pi\)

Since \(\cosec x=\frac{1}{\sin x}\), it is undefined when \(\sin x=0\). Thus \(x=n\pi\).

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trigonometric-functionsdomaincosecant

Frequently asked questions

What is the correct answer to this question?

\(x=n\pi\)

Why is this the correct answer?

Since \(\cosec x=\frac{1}{\sin x}\), it is undefined when \(\sin x=0\). Thus \(x=n\pi\).

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Trigonometric functions and their properties.

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