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Values and Inverses
Memorization parts for values and inverses
Question | Answer |
---|---|
sin(30) | 1/2 |
sin(45) | (sq2)/2 |
sin(60) | (sq3)/2 |
tan(30) | (sq3)/3 |
tan(45) | 1 |
tan(60) | sq3 |
cos(30) | (sq3)/2 |
cos(45) | (sq2)/2 |
cos(60) | 1/2 |
csc (30) | 2 |
csc (45) | sq2 |
csc (60) | (2sq3)/3 |
sec (30) | (2sq3)/3 |
sec (45) | sq2 |
sec (60) | 2 |
cot (30) | sq3 |
cot (45) | 1 |
cot (60) | sq3/3 |
sin (0) | 0 |
sin (90) | 1 |
sin (180) | 0 |
sin (270) | -1 |
cos (0) | 1 |
cos (90) | 0 |
cos (180) | -1 |
cos (270) | 0 |
tan (0) | 0 |
tan (90) | undef. |
tan (180) | 0 |
tan (270) | undef. |
csc (0) | undef. |
csc (90) | 1 |
csc (180) | undef. |
csc (270) | -1 |
sec (0) | 1 |
sec (90) | undef. |
sec (180) | -1 |
sec (270) | undef. |
cot (0) | undef. |
cot (90) | 0 |
cot (180) | undef. |
cot (270) | 0 |