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If A+B+C=π,. Then prove that ........................

If A+B+C=π,. Then prove that ........................
 

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Grade:12

1 Answers

Arun
25750 Points
6 years ago
Dear Heer
 
Put the value of 
A+B+C = pi
And A+B = pi -C
 
Hence
 
0              sinB           CosC
- sinB.       0.               TanA
-cosC .       -TanA.         0
Exoand it and you will get answer as 0
 

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