What is \(\sec\left(\frac{\pi}{2}+\theta\right)\) equal to?
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Answer and explanation
Correct answer: -\(\cosec \theta\)
The cofunction of \(\sec \theta\) is \(\cosec \theta\), and \(\sec \theta\) is negative in the second quadrant. Hence the value is \(-\cosec \theta\).
Frequently asked questions
What is the correct answer to this question?
-\(\cosec \theta\)
Why is this the correct answer?
The cofunction of \(\sec \theta\) is \(\cosec \theta\), and \(\sec \theta\) is negative in the second quadrant. Hence the value is \(-\cosec \theta\).
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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