Trig angles and values (chart)

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Sec 150 degrees

(-2√3)/3

Sec 5π/6

(-2√3)/3

Csc 120 degrees

(2√3)/3

Csc 2π/3

(2√3)/3

Csc 60 degrees

(2√3)/3

Csc π/3

(2√3)/3

Sec 30 degrees

(2√3)/3

sec π/6

(2√3)/3

Cos π

-1

Csc 3π/2

-1

Sec π

-1

Sin 3π/2

-1

cos 180 degrees

-1

csc 270 degrees

-1

sec 180 degrees

-1

sin 270 degrees

-1

Cos 2π/3

-1/2

cos 120 degrees

-1/2

Sec 120 degrees

-2

Sec 2π/3

-2

Tan 120 degrees

-√3

Tan 2π/3

-√3

Cos 3π/2

0

Cos 90 degrees

0

Cos π/2

0

Cot 3π/2

0

Cot 90 degrees

0

Cot π/2

0

Sin 2π

0

Sin π

0

Tan 0 degrees

0

Tan 0 radians

0

Tan 2π

0

Tan π

0

cos 270 degrees

0

cot 270 degrees

0

sin 0 degrees

0

sin 0 radians

0

sin 180 degrees

0

sin 360 degrees

0

tan 180 degrees

0

tan 360 degrees

0

Cos 2π

1

Cos0 radians

1

Cot π/4

1

Csc 90 degrees

1

Csc π/2

1

Sec 0 degrees

1

Sec 0 radians

1

Sec 2π

1

Sin 90 degrees

1

Sin π/2

1

Tan π/4

1

cos 0 degrees

1

cos 360 degrees

1

cot 45 degrees

1

sec 360 degrees

1

tan 45 degrees

1

Cos π/3

1/2

Sinπ/6

1/2

cos 60 degrees

1/2

sin 30 degrees

1/2

Csc 30 degrees

2

Csc 5π/6

2

Sec 60 degrees

2

Sec π/3

2

csc 150 degrees

2

csc π/6

2

Cot 0 radians

Undefined

Tan 90 degrees

Undefined

Csc 0 radians

Unidentified

Cot 0 degrees

undefined

Cot 2π

undefined

Cot π

undefined

Csc 0 degrees

undefined

Csc 2π

undefined

Csc π

undefined

Sec 270 degrees

undefined

Sec 3π/2

undefined

Sec 90 degrees

undefined

Sec π/2

undefined

Tan 3π/2

undefined

Tan π/2

undefined

cot 180 degrees

undefined

cot 360 degrees

undefined

csc 180 degrees

undefined

csc 360 degrees

undefined

tan 270 degrees

undefined

Sin 5π/6

½

sin 150 degrees

½

Cot 135 degrees

−1

Cot 3π/4

−1

Tan 135 degrees

−1

Tan 3π/4

−1

Sec 135 degrees

−√2

Sec 3π/4

−√2

Cos 3π/4

−√2/2

cos 135 degrees

−√2/2

Cot 150 degrees

−√3

Cot 5π/6

−√3

Cos 5π/6

−√3/2

cos 150 degrees

−√3/2

Cot 120 degrees

−√3/3

Cot 2π/3

−√3/3

Tan 150 degrees

−√3/3

Tan 5π/6

−√3/3

Csc 135 degrees

√2

Csc 3π/4

√2

Csc 45 degrees

√2

Csc π/4

√2

Sec 45 degrees

√2

Sec π/4

√2

Cos π/4

√2/2

Sin 135 degrees

√2/2

Sin 3π/4

√2/2

Sin 45 degrees

√2/2

Sin π/4

√2/2

cos 45 degrees

√2/2

Cot 30 degrees

√3

Cot π/6

√3

Tan 60 degrees

√3

Tan π/3

√3

Cos π/6

√3/2

Sin 2π/3

√3/2

Sin π/3

√3/2

cos 30 degrees

√3/2

sin 120 degrees

√3/2

sin 60 degrees

√3/2

Cot 60 degrees

√3/3

Cot π/3

√3/3

Tan π/6

√3/3

tan 30 degrees

√3/3


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