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17.2 Evaluate Trigonometric Functions Without a Calculator
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Interactive Trigonometric Functions Calculator
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Use this calculator to find the values of $\\sin(\\theta)$, $\\cos(\\theta)$, and $\\tan(\\theta)$ for special angles.
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\n\n\nAngles: 0°, 30°, 45°, 60°, 90°, 180°, 270°, 360°\n
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Sine ($\\sin(\\theta)$):
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Cosine ($\\cos(\\theta)$):
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Tangent ($\\tan(\\theta)$):
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Common Values Table
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Here are the values for common angles:
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| Angle ($\\theta$) | $\\sin(\\theta)$ | $\\cos(\\theta)$ | $\\tan(\\theta)$ |
|---|---|---|---|
| 0° | 0 | 1 | 0 |
| 30° | 1/2 | $\\sqrt{3}/2$ | 1/$\\sqrt{3}$ |
| 45° | 1/$\\sqrt{2}$ | 1/$\\sqrt{2}$ | 1 |
| 60° | $\\sqrt{3}/2$ | 1/2 | $\\sqrt{3}$ |
| 90° | 1 | 0 | Undefined |
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