Trigonometric Equations Question 318
Question: If a, b, c are the sides and A, B, C are the angles of a triangle $ ABC $ , then $ \tan ( \frac{A}{2} ) $ is equal to
[MP PET 1994]
Options:
A) $ \sqrt{\frac{(s-c)(s-a)}{s(s-b)}} $
B) $ \sqrt{\frac{(s-b)(s-c)}{s(s-a)}} $
C) $ \sqrt{\frac{(s-a)(s-b)}{s(s-c)}} $
D) $ \sqrt{\frac{(s-a)s}{(s-b)(s-c)}} $
Show Answer
Answer:
Correct Answer: B
Solution:
- It is obvious.
BETA
