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How do you solve $tan x = - 1$ $tanx=-1$ ?

1 Answer

Sep 12, 2016

$\frac{3 π}{4} + k π$ $(3pi)/4 + kpi$

Explanation:

Use trig table of special arcs:
When tan x = - 1 --> $x = \frac{3 π}{4}$ $x = (3pi)/4$
General answers:
$x = \frac{3 π}{4} + k π$ $x = (3pi)/4 + kpi$

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