I have a triangle ABC and I know that \(\displaystyle tan(\frac{A}{2})=\frac{a}{b+c}\) then this triangle is:
a. equilateral
b. right triangle with A=pi/2
c. right triangle with B=pi/2 or C=pi/2
d. acute
e. obtuse
a,b,c are the sides opposite of the angles A,B,C
How to start?
a. equilateral
b. right triangle with A=pi/2
c. right triangle with B=pi/2 or C=pi/2
d. acute
e. obtuse
a,b,c are the sides opposite of the angles A,B,C
How to start?