Trigonometry Examples

Find the Exact Value arctan(-1)
arctan(-1)
Step 1
The exact value of arctan(-1) is -π4.
-π4
Step 2
The result can be shown in multiple forms.
Exact Form:
-π4
Decimal Form:
-0.78539816
tan-1(-1)
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°
°
7
7
8
8
9
9
θ
θ
4
4
5
5
6
6
/
/
^
^
×
×
>
>
π
π
1
1
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2
3
3
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-
+
+
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÷
<
<
,
,
0
0
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%
%
=
=
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