<PRE><B>Question 185275</B>
I will set it and you can simplify.

tan45 = 1

tan30 = sqrt{3}/3

We use the following formula:

tan(A + B) = (tanA + tanB)/(1 - tanA(tanB))

Now, tanA = 1 and tanB = sqrt{3}/3

All you have to do and plug and chug.

Can you finish now?

</PRE>