What is \(\sin\left(\frac{\pi}{2}+x\right)\) equal to?
Answer and explanation
Correct answer: (\cos x)
For \(\frac{\pi}{2}+x\), sine changes to cosine and remains positive in the second quadrant. Hence the value is (\cos x).
Frequently asked questions
What is the correct answer to this question?
(\cos x)
Why is this the correct answer?
For \(\frac{\pi}{2}+x\), sine changes to cosine and remains positive in the second quadrant. Hence the value is (\cos x).
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Trigonometric functions and their properties.