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Class 12 Mathematics Trigonometric Functions AnglesHardLevel 69

What is the reference angle of (1280^\circ)?

Answer and explanation

Correct answer: (20^\circ)

(1280^\circ-1080^\circ=200^\circ). In the third quadrant the reference angle is (200^\circ-180^\circ=20^\circ).

Tags

trigonometric-functionsreference-angledegree-measure

Frequently asked questions

What is the correct answer to this question?

(20^\circ)

Why is this the correct answer?

(1280^\circ-1080^\circ=200^\circ). In the third quadrant the reference angle is (200^\circ-180^\circ=20^\circ).

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.

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