Question

Tan A Tan B =1 tan (A+B/2)=?

Answer 1

Answer: 1

Step-by-step explanation:

tan A tan B = 1

Tan A = Tan B

A + B = 90

Then

Tan (A + B /2)

Tan (90 / 2)

Tan 45

1

Answer 2

Answer:

1

Step-by-step explanation:

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