Trigonometric functions: Difference between revisions
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(→{{header|BASIC}}: Forgot to give ATN an argument and changed for new requirements.) |
(→{{header|J}}: Commentary clarified.) |
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=={{header|J}}== |
=={{header|J}}== |
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The [http://www.jsoftware.com/help/dictionary/dodot.htm circle functions] in J include trigonometric functions. Native operation is in radians, so |
The [http://www.jsoftware.com/help/dictionary/dodot.htm circle functions] in J include trigonometric functions. Native operation is in radians, so values in degrees involve conversion. |
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Sine, cosine, and tangent of 45 degrees |
Sine, cosine, and tangent of a single angle, indicated as pi-over-four radians and as 45 degrees. |
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>,:(1&o. ; 2&o. ; 3&o.) (4%~o. 1), 180 |
>,:(1&o. ; 2&o. ; 3&o.) (4%~o. 1), 180%~o. 45 |
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0.707107 0.707107 |
0.707107 0.707107 |
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0.707107 0.707107 |
0.707107 0.707107 |
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1 1 |
1 1 |
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Arcsine, arccosine, and arctangent of |
Arcsine, arccosine, and arctangent of one-half, in radians and degrees. |
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>,:([ , 180p_1&*)&.> (_1&o. ; _2&o. ; _3&o.) 0.5 |
>,:([ , 180p_1&*)&.> (_1&o. ; _2&o. ; _3&o.) 0.5 |
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0.523599 30 |
0.523599 30 |
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