function testTan() { /*{{{*/ $tmp = Math_ComplexOp::tan($this->cnum1); $this->assertEquals('0.238405083338 + 0.496197065774i', $tmp->toString()); }
/** * Calculates the cotangent of a complex number: z = cot(c1) * * @param Math_Complex $c1 * @return Math_Complex A valid Math_Complex number on success * @throws InvalidArgumentException */ public static function cot(Math_Complex $c1) { $z = Math_ComplexOp::tan($c1); return Math_ComplexOP::inverse($z); }
echo "exp(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::log($a); echo "log(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::log10($a); echo "log10(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::conjugate($a); echo "conjugate(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::negative($a); echo "negative(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::inverse($a); echo "inverse(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::sin($a); echo "sin(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::cos($a); echo "cos(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::tan($a); echo "tan(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::sec($a); echo "sec(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::csc($a); echo "csc(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::cot($a); echo "cot(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::asin($a); echo "asin(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::asinAlt($a); echo "asinAlt(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::asinReal(-0.22); echo "asinReal(a) = " . $z->toString() . "\n"; $z = Math_ComplexOp::acos($a); echo "acos(a) = " . $z->toString() . "\n";