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

1 Answer

Ratnesh Bhosale

Mar 10, 2017

$y = - cot x$ $y= -cotx$

Explanation:

$y = tan (x - 90)$ $y =tan(x-90)$

$y = - tan (90 - x)$ $y= - tan (90-x)$

$y = - cot x$ $y= -cotx$

graph{-cot x [-7.69, 7.69, -3.84, 3.85]}

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