Question

If A+C=B,show that tanA,tanB, tanC=tanB-tanA-tanC​

Answer 1

Answer:

if A+C=B

Multiplying tan on both sides,

⇒  tan(A+C)=tanB

⇒  1−tanAtanCtanA+tanC=tanB

⇒  tanA+tanC=tanB(1−tanAtanC)

⇒  tanA+tanC=tanB−tanAtanBtanC

⇒  tanAtanBtanC=tanB−tanC−tanA

Answer 2

Step-by-step explanation:

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