Trigonometric Function Values Exact
| Angle | Sine | Cosine | Tangent | |||
| 0 degrees | Exactly 0 |
Exactly 1 |
Exactly 0 |
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| 15 degrees | Exactly (61/2-21/2)/4 |
Exactly (61/2+21/2)/4 |
Exactly 2 - 31/2 |
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| 18 degrees | Exactly (51/2-1) -------- 4 |
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| 30 degrees | Exactly 1/2 |
Exactly (31/2)/2 |
Exactly (31/2)/3 |
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| 36 degrees | Exactly (1+51/2)/4 |
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| 45 degrees | Exactly (21/2)/2 |
Exactly (21/2)/2 |
Exactly 1 |
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| 54 degrees | Exactly (1+51/2)/4 |
|||||
| 60 degrees | Exactly (31/2)/2 |
Exactly 1/2 |
Exactly 31/2 |
|||
| 72 degrees | Exactly (51/2-1) -------- 4 |
|||||
| 75 degrees | Exactly (61/2+21/2)/4 |
Exactly (61/2-21/2)/4 |
Exactly 2 + 31/2 |
|||
| 90 degrees | Exactly 1 |
Exactly 0 |
UNDEFINED (Infinite) |