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(b+c)tanA/2 - (b+c)cotA/2 = 2bcot2B...plz can anyone prove this

(b+c)tanA/2 - (b+c)cotA/2 = 2bcot2B...plz can anyone prove this

Grade:12

1 Answers

Ravneet
104 Points
5 years ago
I THINK THE QUESTION MIGHT BE INCORRECT OR NOT EXPLAINED PROPERLY 
IN LEFT-HAND SIDE, THERE IS NO INFORMATION ABOUT ANGLE B 
 
AND NO INFORMATION (RELATION)  IS GIVEN ABOUT A and B angles 
IN BOTH THE SIDE THERE IS DIFFERENT VARIABLES {no constraint are given}
 
 
 
DISAPPROVED THE ANSWER IF I’M WRONG 

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