In-AB-C-If-sin-A-1-2-2-3-A-

Question Number 190185 by mnjuly1970 last updated on 29/Mar/23

In A \overset{Δ}{B C} :

If, \sin (\hat{A}) = \frac{1}{2 \sqrt{2 + \sqrt{3}}} \Rightarrow \hat{A} = ?

Commented by Frix last updated on 29/Mar/23

\frac{1}{2 \sqrt{2 + \sqrt{3}}} = \frac{\sqrt{2 - \sqrt{3}}}{2} = \frac{\sqrt{6}}{2} - \frac{\sqrt{3}}{2} = \sin \frac{π}{12}

Facebook Tweet Pin