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Trig
Term | Definition |
---|---|
Coterminal angles | Angle with a multiple of 360° |
Complementary angles | Add up to 90° |
Supplementary angles | Add up to 180° |
Acute angle | Less than 90° |
right angle | An angle that equals 90° |
obtuse angle | |
An angle more than 90° | |
Sin 0 | Y - R |
cos 0 | X - R |
Tan 0 | Y - X |
Csc 0 | R - Y |
Sec 0 | R - X |
Cot 0 | X - Y |
R | Radical X2 + y2 |
Normal period for sin |