Question

ABC is an isosceles right angled triangle, right angled at B , then tan A =

Answer 1

Answer: 1

Step-by-step explanation:

A + B + C =180

A = C and B = 90

A + 90 + A = 180

2 A = 90

A = 45

Now

Tan A

Tan 45 = 1

Answer 2

Answer:

tanA = tan(45°) = 1.See the explanation