4. If triangle ABC is right angled at C,
then the value of tan (A+B) is​

1 thought on “4. If triangle ABC is right angled at C,<br />then the value of tan (A+B) is​”

1. Answer:

   yup

   Step-by-step explanation:

   tanA= a/b

   tanB=b/a

   ∴tanA+tanB=

   a/b+b/a

   =a^2+b^2/ab

   =c^2/ab. (c^2=a^2+b^2)

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