Mathematics · Inverse Trigonometric Functions
If |x| ≤ 1, then the expression 2 tan−1x + sin−1(2x1 + x2) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14 tan−1x✓
- 20
- 3π2
- 4π
Correct answer
4 tan−1x
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