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Question

If tan(A+B)=√3 and tan A=1 then find angle B

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Solution

Given,
tan(A+B)= √3. ---(1)
tan A= 1. ---(2)

We know,
tan 60°=√3.
So from (1), A+B= 60°

Now tan 45°=1.
So from (2) we get A=45°

A+B=60°. equation-(3)
A=45° . equation-(4)
Sofrom (3) and (4)
we get

B=15°
​​​​​​

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