SOLUTION: Find the Solution to the equation Arctan x+2 Arctan1 = 3π/4

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Question 819326: Find the Solution to the equation Arctan x+2 Arctan1 = 3π/4
Answer by lwsshak3(11628) About Me  (Show Source):
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Find the Solution to the equation Arctan x+2 Arctan1 = 3π/4
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2arctan(1)=2(π/4)=π/2
Arctan x+π/2 = 3π/4
Arctan x=3π/4-π/2=π/4
x=tan(π/4)=1
in so many words: π/4 is the angle whose tan=1