You can put this solution on YOUR website! 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?
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