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dinesh varma Grade: 11
        

In Triangle ABC,          A:B:C =1:2:4,    then TanA x TanB +TanB x TanC + TanC x TanA =

7 years ago

Answers : (1)

renu akunuri
37 Points
										

ans is (-7.0044)


given A+B+C=180   A:B:C=1:2:4 SO B=2A , C=4A ?


#   A+2A+4A=180


#7A=180


#A=25.71 DEGREES  B=2A=51.43     C=4A=102.85 


THEN SUBSTITUTE THIS VALUES IN THE GIVEN EQUATIONS.

4 years ago
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