MCQ
The equation $\sin^{-1}\text{x}-\cos^{-1}\text{x}=\cos^{-1}\Big(\frac{\sqrt3}{2}\Big)$ has:
- ✓Nique solution.
- BNo solution.
- CInfinitely many solution.
- DNone of these.
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$(A)$ $\hat{j}-\hat{k}$ $(B)$ $-\hat{i}+\hat{j}$ $(C)$ $\hat{i}-\hat{j}$ $(D)$ $-\hat{j}+\hat{k}$