Cosine သည်ထောင့်တစ်ခု၏ trigonometric function တစ်ခုဖြစ်သည်။ cos (θ) = ကပ်လျက် / hypotenuse
y = cosine (x) ဂရပ်
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| X
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| Y = cosine (x) td>
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| 180 ̊ td>
| π td>
| - 1 td>
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| 150 ̊ td>
| 5π / 6 td>
| - 0.866025 td>
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| 135 ̊ td>
| 3π / 4 td>
| - 0.707107 td>
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| 120 ̊ td>
| 2π / 3 td>
| - 0.5 < td>
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| 90 ̊ td>
| π / 2 td>
| 0 td>
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| 60 ̊ td>
| π / 3 td>
| 0.5 < td>
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| 45 ̊ td>
| π / 4 td>
| 0.707107 td>
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| 30 ̊ td>
| π / 6 td>
| 0.866025 td>
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| 0 ̊ td>
| 0 td>
| 1 td>
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