LawOfSines
LawOfCosines
PlaneGeometry
Intermediate
In $\triangle{ABC}$, if $a\cos{C} + \frac{c}{2} = b$, (1) compute $\angle{A}$. (2) if $a=1$, find the range of the perimeter o f $\triangle{ABC}$.
The solution for this problem is available for
$0.99.
You can also purchase a pass for all available solutions for
$99.