A rational number is a number that can be expressed as a fraction or ratio. The numerator and the denominator of the fraction are both integers.When the fraction is divided out, it becomes ...
In Euclidean geometry, a parallelogram is a simple (non self-intersecting) quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the ...
The inverse trigonometric functions (occasionally called cyclometric functions[1]) are the inverse functions of the trigonometric functions with suitably restricted domains. The notations ...
In Euclidean geometry, a parallelogram is a simple (non self-intersecting) quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the ...