Question 819326
Find the Solution to the equation Arctan x+2 Arctan1 = 3&#960;/4
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2arctan(1)=2(&#960;/4)=&#960;/2
Arctan x+&#960;/2 = 3&#960;/4
Arctan x=3&#960;/4-&#960;/2=&#960;/4
x=tan(&#960;/4)=1
in so many words: &#960;/4 is the angle whose tan=1