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sin

Description

The sin of Math for PHP sine.

Syntax

sin(
    float $num
): float

Parameters

num

A value in radians

Return

The sine of num

Examples

1 · num · single

<?

$num = deg2rad(360);

$return = sin($num);

echo $return;
-2.4492935982947E-16

2 · num · multiple

<?

for($i = 0; $i <= 360; ++$i)
{
    $num = deg2rad($i);

    $return = sin($num);

    echo "$i: $return" . PHP_EOL;
}
0: 0
1: 0.017452406437284
2: 0.034899496702501
3: 0.052335956242944
4: 0.069756473744125
5: 0.087155742747658
6: 0.10452846326765
7: 0.12186934340515
8: 0.13917310096007
9: 0.15643446504023
10: 0.17364817766693
11: 0.19080899537654
12: 0.20791169081776
13: 0.22495105434386
14: 0.24192189559967
15: 0.25881904510252
16: 0.275637355817
17: 0.29237170472274
18: 0.30901699437495
19: 0.32556815445716
20: 0.34202014332567
21: 0.3583679495453
22: 0.37460659341591
23: 0.39073112848927
24: 0.4067366430758
25: 0.4226182617407
26: 0.43837114678908
27: 0.45399049973955
28: 0.46947156278589
29: 0.48480962024634
30: 0.5
31: 0.51503807491005
32: 0.5299192642332
33: 0.54463903501503
34: 0.55919290347075
35: 0.57357643635105
36: 0.58778525229247
37: 0.60181502315205
38: 0.61566147532566
39: 0.62932039104984
40: 0.64278760968654
41: 0.65605902899051
42: 0.66913060635886
43: 0.6819983600625
44: 0.694658370459
45: 0.70710678118655
46: 0.71933980033865
47: 0.73135370161917
48: 0.74314482547739
49: 0.75470958022277
50: 0.76604444311898
51: 0.77714596145697
52: 0.78801075360672
53: 0.79863551004729
54: 0.80901699437495
55: 0.81915204428899
56: 0.82903757255504
57: 0.83867056794542
58: 0.84804809615643
59: 0.85716730070211
60: 0.86602540378444
61: 0.8746197071394
62: 0.88294759285893
63: 0.89100652418837
64: 0.89879404629917
65: 0.90630778703665
66: 0.9135454576426
67: 0.92050485345244
68: 0.92718385456679
69: 0.9335804264972
70: 0.93969262078591
71: 0.94551857559932
72: 0.95105651629515
73: 0.95630475596304
74: 0.96126169593832
75: 0.96592582628907
76: 0.970295726276
77: 0.97437006478524
78: 0.97814760073381
79: 0.98162718344766
80: 0.98480775301221
81: 0.98768834059514
82: 0.99026806874157
83: 0.99254615164132
84: 0.99452189536827
85: 0.99619469809175
86: 0.99756405025982
87: 0.99862953475457
88: 0.9993908270191
89: 0.99984769515639
90: 1
91: 0.99984769515639
92: 0.9993908270191
93: 0.99862953475457
94: 0.99756405025982
95: 0.99619469809175
96: 0.99452189536827
97: 0.99254615164132
98: 0.99026806874157
99: 0.98768834059514
100: 0.98480775301221
101: 0.98162718344766
102: 0.97814760073381
103: 0.97437006478524
104: 0.970295726276
105: 0.96592582628907
106: 0.96126169593832
107: 0.95630475596304
108: 0.95105651629515
109: 0.94551857559932
110: 0.93969262078591
111: 0.9335804264972
112: 0.92718385456679
113: 0.92050485345244
114: 0.9135454576426
115: 0.90630778703665
116: 0.89879404629917
117: 0.89100652418837
118: 0.88294759285893
119: 0.8746197071394
120: 0.86602540378444
121: 0.85716730070211
122: 0.84804809615643
123: 0.83867056794542
124: 0.82903757255504
125: 0.81915204428899
126: 0.80901699437495
127: 0.79863551004729
128: 0.78801075360672
129: 0.77714596145697
130: 0.76604444311898
131: 0.75470958022277
132: 0.74314482547739
133: 0.73135370161917
134: 0.71933980033865
135: 0.70710678118655
136: 0.694658370459
137: 0.6819983600625
138: 0.66913060635886
139: 0.65605902899051
140: 0.64278760968654
141: 0.62932039104984
142: 0.61566147532566
143: 0.60181502315205
144: 0.58778525229247
145: 0.57357643635105
146: 0.55919290347075
147: 0.54463903501503
148: 0.5299192642332
149: 0.51503807491005
150: 0.5
151: 0.48480962024634
152: 0.46947156278589
153: 0.45399049973955
154: 0.43837114678908
155: 0.4226182617407
156: 0.4067366430758
157: 0.39073112848927
158: 0.37460659341591
159: 0.3583679495453
160: 0.34202014332567
161: 0.32556815445716
162: 0.30901699437495
163: 0.29237170472274
164: 0.275637355817
165: 0.25881904510252
166: 0.24192189559967
167: 0.22495105434387
168: 0.20791169081776
169: 0.19080899537654
170: 0.17364817766693
171: 0.15643446504023
172: 0.13917310096007
173: 0.12186934340515
174: 0.10452846326765
175: 0.087155742747658
176: 0.069756473744126
177: 0.052335956242944
178: 0.034899496702501
179: 0.017452406437283
180: 1.2246467991474E-16
181: -0.017452406437283
182: -0.034899496702501
183: -0.052335956242944
184: -0.069756473744125
185: -0.087155742747658
186: -0.10452846326765
187: -0.12186934340515
188: -0.13917310096007
189: -0.15643446504023
190: -0.17364817766693
191: -0.19080899537654
192: -0.20791169081776
193: -0.22495105434386
194: -0.24192189559967
195: -0.25881904510252
196: -0.275637355817
197: -0.29237170472274
198: -0.30901699437495
199: -0.32556815445716
200: -0.34202014332567
201: -0.3583679495453
202: -0.37460659341591
203: -0.39073112848927
204: -0.4067366430758
205: -0.4226182617407
206: -0.43837114678908
207: -0.45399049973955
208: -0.46947156278589
209: -0.48480962024634
210: -0.5
211: -0.51503807491005
212: -0.5299192642332
213: -0.54463903501503
214: -0.55919290347075
215: -0.57357643635105
216: -0.58778525229247
217: -0.60181502315205
218: -0.61566147532566
219: -0.62932039104984
220: -0.64278760968654
221: -0.65605902899051
222: -0.66913060635886
223: -0.6819983600625
224: -0.694658370459
225: -0.70710678118655
226: -0.71933980033865
227: -0.73135370161917
228: -0.74314482547739
229: -0.75470958022277
230: -0.76604444311898
231: -0.77714596145697
232: -0.78801075360672
233: -0.79863551004729
234: -0.80901699437495
235: -0.81915204428899
236: -0.82903757255504
237: -0.83867056794542
238: -0.84804809615643
239: -0.85716730070211
240: -0.86602540378444
241: -0.8746197071394
242: -0.88294759285893
243: -0.89100652418837
244: -0.89879404629917
245: -0.90630778703665
246: -0.9135454576426
247: -0.92050485345244
248: -0.92718385456679
249: -0.9335804264972
250: -0.93969262078591
251: -0.94551857559932
252: -0.95105651629515
253: -0.95630475596304
254: -0.96126169593832
255: -0.96592582628907
256: -0.970295726276
257: -0.97437006478524
258: -0.97814760073381
259: -0.98162718344766
260: -0.98480775301221
261: -0.98768834059514
262: -0.99026806874157
263: -0.99254615164132
264: -0.99452189536827
265: -0.99619469809175
266: -0.99756405025982
267: -0.99862953475457
268: -0.9993908270191
269: -0.99984769515639
270: -1
271: -0.99984769515639
272: -0.9993908270191
273: -0.99862953475457
274: -0.99756405025982
275: -0.99619469809175
276: -0.99452189536827
277: -0.99254615164132
278: -0.99026806874157
279: -0.98768834059514
280: -0.98480775301221
281: -0.98162718344766
282: -0.97814760073381
283: -0.97437006478524
284: -0.970295726276
285: -0.96592582628907
286: -0.96126169593832
287: -0.95630475596304
288: -0.95105651629515
289: -0.94551857559932
290: -0.93969262078591
291: -0.9335804264972
292: -0.92718385456679
293: -0.92050485345244
294: -0.9135454576426
295: -0.90630778703665
296: -0.89879404629917
297: -0.89100652418837
298: -0.88294759285893
299: -0.8746197071394
300: -0.86602540378444
301: -0.85716730070211
302: -0.84804809615643
303: -0.83867056794542
304: -0.82903757255504
305: -0.81915204428899
306: -0.80901699437495
307: -0.79863551004729
308: -0.78801075360672
309: -0.77714596145697
310: -0.76604444311898
311: -0.75470958022277
312: -0.74314482547739
313: -0.73135370161917
314: -0.71933980033865
315: -0.70710678118655
316: -0.694658370459
317: -0.6819983600625
318: -0.66913060635886
319: -0.65605902899051
320: -0.64278760968654
321: -0.62932039104984
322: -0.61566147532566
323: -0.60181502315205
324: -0.58778525229247
325: -0.57357643635105
326: -0.55919290347075
327: -0.54463903501503
328: -0.52991926423321
329: -0.51503807491005
330: -0.5
331: -0.48480962024634
332: -0.46947156278589
333: -0.45399049973955
334: -0.43837114678908
335: -0.4226182617407
336: -0.4067366430758
337: -0.39073112848927
338: -0.37460659341591
339: -0.3583679495453
340: -0.34202014332567
341: -0.32556815445716
342: -0.30901699437495
343: -0.29237170472274
344: -0.275637355817
345: -0.25881904510252
346: -0.24192189559967
347: -0.22495105434387
348: -0.20791169081776
349: -0.19080899537654
350: -0.17364817766693
351: -0.15643446504023
352: -0.13917310096007
353: -0.12186934340515
354: -0.10452846326765
355: -0.087155742747658
356: -0.069756473744126
357: -0.052335956242943
358: -0.034899496702501
359: -0.017452406437284
360: -2.4492935982947E-16