Question

In triangle ABC ,Tan(A+C/2)=​

Answer 1

Answer:

area of triangle..................

Answer 2

Answer:

∆ ABC is a triangle.

So,

A+B +C = 180°

→ A+C = 180°-B

Now,

tan(A+C/2)

= tan (180°-B /2)

= cot (B/2)

Your answer is cot (B/2).

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