MCQOPTIONS
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| 1. |
If \[\sin {{18}^{0}}=\frac{\sqrt{5}-1}{4},\] then what is the value of \[\sin 18{}^\circ \]? |
| A. | \[\frac{\sqrt{3+\sqrt{5}}+\sqrt{5-\sqrt{5}}}{4}\] |
| B. | \[\frac{\sqrt{3+\sqrt{5}}+\sqrt{5+\sqrt{5}}}{4}\] |
| C. | \[\frac{\sqrt{3-\sqrt{5}}+\sqrt{5-\sqrt{5}}}{4}\] |
| D. | \[\frac{\sqrt{3+\sqrt{5}}-\sqrt{5-\sqrt{5}}}{4}\] |
| Answer» B. \[\frac{\sqrt{3+\sqrt{5}}+\sqrt{5+\sqrt{5}}}{4}\] | |