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Long Term Support Release
Differences Between: [Versions 400 and 401]
1 <?php 2 3 namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Trig; 4 5 use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled; 6 use PhpOffice\PhpSpreadsheet\Calculation\Exception; 7 use PhpOffice\PhpSpreadsheet\Calculation\MathTrig\Helpers; 8 9 class Cosecant 10 { 11 use ArrayEnabled; 12 13 /** 14 * CSC. 15 * 16 * Returns the cosecant of an angle. 17 * 18 * @param array|float $angle Number, or can be an array of numbers 19 * 20 * @return array|float|string The cosecant of the angle 21 * If an array of numbers is passed as the argument, then the returned result will also be an array 22 * with the same dimensions 23 */ 24 public static function csc($angle) 25 { 26 if (is_array($angle)) { 27 return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $angle); 28 } 29 30 try { 31 $angle = Helpers::validateNumericNullBool($angle); 32 } catch (Exception $e) { 33 return $e->getMessage(); 34 } 35 36 return Helpers::verySmallDenominator(1.0, sin($angle)); 37 } 38 39 /** 40 * CSCH. 41 * 42 * Returns the hyperbolic cosecant of an angle. 43 * 44 * @param array|float $angle Number, or can be an array of numbers 45 * 46 * @return array|float|string The hyperbolic cosecant of the angle 47 * If an array of numbers is passed as the argument, then the returned result will also be an array 48 * with the same dimensions 49 */ 50 public static function csch($angle) 51 { 52 if (is_array($angle)) { 53 return self::evaluateSingleArgumentArray([self::class, __FUNCTION__], $angle); 54 } 55 56 try { 57 $angle = Helpers::validateNumericNullBool($angle); 58 } catch (Exception $e) { 59 return $e->getMessage(); 60 } 61 62 return Helpers::verySmallDenominator(1.0, sinh($angle)); 63 } 64 }
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