Difficult
જો $z = i \log (2 - \sqrt{3})$ હોય,તો $\cos z = $
- A$i$
- B$2i$
- C$1$
- D$2$
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ધારો કે $z = i^{2i}$,તો $|z|$ શું થાય? (જ્યાં $i = \sqrt{-1}$)
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View Solutionકિંમત શોધો: $\frac{\sqrt{6 + 2\sqrt{3} + 2\sqrt{2} + 2\sqrt{6}} - 1}{\sqrt{5 + 2\sqrt{6}}}$
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