MCQ
If $4 \sin^{-1}x + 6 \cos^{-1} x = 3\pi$ then $x =........$
- A$\frac{1}{2}$
- B$\frac{1}{\sqrt{2}}$
- ✓$0$
- D$-\frac{1}{2}$
✓
Answer
Correct option: C.
$0$
$0$
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