What is the value of (\cos(\pi-\theta))?
Answer and explanation
Correct answer: (-\cos \theta)
( \pi-\theta) is in the second quadrant where cosine is negative. In exams always apply quadrant sign.
Frequently asked questions
What is the correct answer to this question?
(-\cos \theta)
Why is this the correct answer?
( \pi-\theta) is in the second quadrant where cosine is negative. In exams always apply quadrant sign.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Trigonometric functions and their properties.