Question:
Find the value of \(\tan^{-1}\!\left(\dfrac{1-\frac{\pi}{5}}{2}\right)\).
Find the value of \(\tan^{-1}\!\left(\dfrac{1-\frac{\pi}{5}}{2}\right)\).
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Reduce expressions to standard inverse trigonometric forms.
Updated On: Mar 24, 2026
- \(-\dfrac{1}{3}\)
- \(-\dfrac{7}{17}\)
- \(-\dfrac{1}{2}\)
- \(-\dfrac{1}{4}\)
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The Correct Option is C
Solution and Explanation
Step 1: Simplify the given trigonometric expression.
Step 2: Using standard identities, the value evaluates to \(-\dfrac{1}{2}\).
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