If ( \theta ) is in the third quadrant and its reference angle is (35^\circ), what is the principal value of ( \theta )?
Advertisement
Answer and explanation
Correct answer: (215^\circ)
In the third quadrant the principal angle is (180^\circ+35^\circ=215^\circ). Add or subtract the reference angle according to the quadrant.
Frequently asked questions
What is the correct answer to this question?
(215^\circ)
Why is this the correct answer?
In the third quadrant the principal angle is (180^\circ+35^\circ=215^\circ). Add or subtract the reference angle according to the quadrant.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.
Advertisement