Question

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

Answer 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)