Question

In a triangle $PQR,\angle R=\frac{\pi }{2}$. If $\tan \left(\frac{P}{2}\right)\&\tan \left(\frac{Q}{2}\right)$ are the roots of the equation $a{x}^2+bx+c=0(a\ne 0)$ then :

• A. $a+b=c$
• B. $b+c=a$
• C. $a+c=b$
• D. $b=c$

Answer 1

Answer: (A)

Correct answer is (a) $a+b=c$