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Class 12 Mathematics Trigonometric Functions Trigonometric functions and their propertiesHardLevel 70

What is (1+\tan^2 x) equal to?

Answer and explanation

Correct answer: (\sec^2 x)

The basic identity is (1+\tan^2 x=\sec^2 x). In exams, it can also be derived from (\sin^2 x+\cos^2 x=1).

Tags

trigonometric-functionsbasic-identitytangent

Frequently asked questions

What is the correct answer to this question?

(\sec^2 x)

Why is this the correct answer?

The basic identity is (1+\tan^2 x=\sec^2 x). In exams, it can also be derived from (\sin^2 x+\cos^2 x=1).

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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