74         $num = Asserts::assertNumber($arg);
75         return ['number', $num * 100, '%'];
102     public function sqrt(array $num): float  argument
104         return sqrt(Asserts::assertNumber($num));
113     public function abs(array $num): array  argument
115         return ['number', abs(Asserts::assertNumber($num)), $num[2]];
124     public function sin(array $num): float  argument
126         return sin(Asserts::assertNumber($num));
135     public function asin(array $num): array  argument
137         $num = asin(Asserts::assertNumber($num));
138         return ['number', $num, 'rad'];
147     public function cos(array $num): float  argument
149         return cos(Asserts::assertNumber($num));
158     public function acos(array $num): array  argument
160         $num = acos(Asserts::assertNumber($num));
161         return ['number', $num, 'rad'];
170     public function tan(array $num): float  argument
172         return tan(Asserts::assertNumber($num));
181     public function atan(array $num): array  argument
183         $num = atan(Asserts::assertNumber($num));
184         return ['number', $num, 'rad'];