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Class 12MathematicsTrigonometric FunctionsTrigonometric functions and their propertiesMediumLevel 72

If (\theta) is in the third quadrant, what are the signs of (\sin \theta) and (\cos \theta)?

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Answer and explanation

Correct answer: (\sin \theta) negative and (\cos \theta) negative

In the third quadrant, both sine and cosine are negative. In exams use the ASTC rule to decide signs quickly.

Tags

trigonometric-functionsquadrantsigns

Frequently asked questions

What is the correct answer to this question?

(\sin \theta) negative and (\cos \theta) negative

Why is this the correct answer?

In the third quadrant, both sine and cosine are negative. In exams use the ASTC rule to decide signs quickly.

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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