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Class 12 Mathematics Trigonometric Functions Trigonometric functions and their propertiesEasyLevel 70

When is (\cosec \theta) undefined?

Answer and explanation

Correct answer: when (\sin \theta=0)

(\cosec \theta=\frac{1}{\sin \theta}), so it is undefined when (\sin \theta=0). A function is not defined when the denominator is zero.

Tags

trigonometric-functionsdomaincosecant

Frequently asked questions

What is the correct answer to this question?

when (\sin \theta=0)

Why is this the correct answer?

(\cosec \theta=\frac{1}{\sin \theta}), so it is undefined when (\sin \theta=0). A function is not defined when the denominator is zero.

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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