How do you graph y=tan(x+90) ?

Because y=tan(x+pi/2)=-cotx hence its the graph of cotx only in the opposite direction. The image below show the graphs of cotx (red line) and -cotx (green line)

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Given the graph of the function y=tanx4, ∀ x∈ℝChoose the correct

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SOLUTION: Consider the graph of y = tan x (a)How does it show that

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