Pythagorean trigonometric identity
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English
Template:Wikipedia
Noun
Template:En-noun
Template:Lb
The
equality
sin
(
x
)
2
+
cos
(
x
)
2
=
1
, holding for all
real
and
complex
x
, equivalent to the application of the
Pythagorean theorem
to the
unit circle
.
Translations
Template:Trans-top
Polish:
Template:T
Template:Trans-bottom
Template:C
Template:Cln
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