If A+B+C=put,prove that tanA+tanB+tanC=tanAtanBtanC
ujwal5:
if a+b+c = put ????? what does it mean
Answers
Answered by
23
By using trigonometry identity we can solve it
Attachments:
Answered by
31
A+B+C=pi
A+B=pi-C
tan(A+B)=tan(pi-C)
tanA+tanB/1-tanA.tanB=-tanC
tanA+tanB=-tanC+tan A.tanB.tanC
tanA+tanB+tanC=tan A.tanB.tanC
A+B=pi-C
tan(A+B)=tan(pi-C)
tanA+tanB/1-tanA.tanB=-tanC
tanA+tanB=-tanC+tan A.tanB.tanC
tanA+tanB+tanC=tan A.tanB.tanC
Similar questions