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Class 12 Mathematics Trigonometric Functions AnglesExpertLevel 67

What is the principal angle of (-725^\circ) in (0^\circ\leq\theta<360^\circ)?

Answer and explanation

Correct answer: (355^\circ)

(-725^\circ+1080^\circ=355^\circ). In exams, keep adding multiples of (360^\circ) to a negative angle.

Tags

trigonometric-functionsanglesprincipal-angleexpert

Frequently asked questions

What is the correct answer to this question?

(355^\circ)

Why is this the correct answer?

(-725^\circ+1080^\circ=355^\circ). In exams, keep adding multiples of (360^\circ) to a negative angle.

Which subject and chapter does this question cover?

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

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