sin
Description
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