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Pythagorean Identities
Pythagorean Identities
Oct 29, 2023
1 min read
Math
sin
2
(
θ
)
+
cos
2
(
θ
)
=
1
tan
2
(
θ
)
+
1
=
sec
2
(
θ
)
1
+
cot
2
(
θ
)
=
csc
2
(
θ
)
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Table of Contents
sin
2
(
θ
)
+
cos
2
(
θ
)
=
1
\displaystyle \sin ^{2}(\theta)+\cos ^{2}(\theta)=1
sin
2
(
θ
)
+
cos
2
(
θ
)
=
1
tan
2
(
θ
)
+
1
=
sec
2
(
θ
)
\displaystyle \tan ^{2}(\theta)+1=\sec ^{2}(\theta)
tan
2
(
θ
)
+
1
=
sec
2
(
θ
)
1
+
cot
2
(
θ
)
=
csc
2
(
θ
)
\displaystyle 1+\cot ^{2}(\theta)=\csc ^{2}(\theta)
1
+
cot
2
(
θ
)
=
csc
2
(
θ
)
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