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Class 12 Mathematics Trigonometric Functions Trigonometric functions and their propertiesMediumLevel 72

If (\cos \theta=\cos \alpha), which is the general solution?

Answer and explanation

Correct answer: (\theta=2n\pi\pm\alpha)

For ( \cos \theta=\cos \alpha), angles occur in both directions. In exams do not forget ( \pm\alpha).

Tags

trigonometric-functionsgeneral-solutioncosine-equation

Frequently asked questions

What is the correct answer to this question?

(\theta=2n\pi\pm\alpha)

Why is this the correct answer?

For ( \cos \theta=\cos \alpha), angles occur in both directions. In exams do not forget ( \pm\alpha).

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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