I need help with the following problem.
Given an acute triangle $ABC$. $BB_1$ and $ CC_1$ are the altitudes. If $\frac{B_1C_1} {C_1B} = \sqrt 2$ and $\angle ACB=75^{\circ}$, find the angles $\angle ABC$ and $\angle BAC$
I need help with the following problem.
Given an acute triangle $ABC$. $BB_1$ and $ CC_1$ are the altitudes. If $\frac{B_1C_1} {C_1B} = \sqrt 2$ and $\angle ACB=75^{\circ}$, find the angles $\angle ABC$ and $\angle BAC$