What is \(\cos\left(\frac{\pi}{2}+\theta\right)\) equal to?
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Answer and explanation
Correct answer: -\(\sin \theta\)
\(\cos\left(\frac{\pi}{2}+\theta\right)=-\sin \theta\). At \(\frac{\pi}{2}\), the function changes and the sign is decided by the quadrant.
Frequently asked questions
What is the correct answer to this question?
-\(\sin \theta\)
Why is this the correct answer?
\(\cos\left(\frac{\pi}{2}+\theta\right)=-\sin \theta\). At \(\frac{\pi}{2}\), the function changes and the sign is decided by the quadrant.
Which subject and chapter does this question cover?
This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Trigonometric functions and their properties.
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