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[High school mathematics] The value of the special angle of sine and cosine tangent is 0 90 180 270.
sin0=0

cos0= 1

tan0=0

sin90= 1

cos90=0

Tan90= does not exist.

sin 180=0

cos 180=- 1

tan 180=0

sin270=- 1

cos270=0

Tan270= does not exist.

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