Trigonometric Equations Question 231
In a $ \Delta ABC $ ,side b is opposite to angle B
[MP PET 1984, 92]
Options:
A) $ c\cos A+a\cos C $
B) $ a\cos B+b\cos A $
C) $ b\cos C+c\cos B $
D) None of these
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Answer:
Correct Answer: A
Solution:
- It is a fundamental property.
 BETA
  BETA 
             
             
           
           
           
          