

MCQOPTIONS
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1. |
\[\sqrt{3}\,\text{cosec}\,{{20}^{o}}-\sec \,{{20}^{o}}=\] [IIT 1988] |
A. | 2 |
B. | \[\frac{2\,\sin {{20}^{o}}}{\sin {{40}^{o}}}\] |
C. | 4 |
D. | \[\frac{4\,\sin {{20}^{o}}}{\sin {{40}^{o}}}\] |
Answer» D. \[\frac{4\,\sin {{20}^{o}}}{\sin {{40}^{o}}}\] | |