MCQOPTIONS
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MCQOPTIONS
| 1. |
What is sec-1 x in terms of tan-1 ? |
| A. | tan<sup>-1</sup> u2061 ( sqrt{1+x^2} ) |
| B. | tan<sup>-1</sup> u20611+x<sup>2</sup> |
| C. | tan<sup>-1</sup> u2061x |
| D. | tan<sup>-1</sup> u2061 ( sqrt{x^2-1} ) |
| Answer» E. | |