MCQOPTIONS
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| 1. |
\[\sin [{{\cot }^{-1}}(\cos {{\tan }^{-1}}x)]\]= |
| A. | \[\frac{x}{\sqrt{{{x}^{2}}+2}}\] |
| B. | \[\frac{x}{\sqrt{{{x}^{2}}+1}}\] |
| C. | \[\frac{1}{\sqrt{{{x}^{2}}+2}}\] |
| D. | \[\sqrt{\frac{{{x}^{2}}+1}{{{x}^{2}}+2}}\] |
| Answer» E. | |