Mathematics By: Andrew Reed-Stum

Equations Definition Equations- An expression or a proposition often algebraic, asserting the quantities.

X-axis and Y-axis The horizontal number line on a coordinate plane. The vertical number line on a coordinate plane.

Square Root One of two equal factors of a number.

Pythagorean Theroem A theorem attributed to Pythagorean that the square of the hypotenuse of a right triangle is equal to the square of the other

Inequality The relation between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or...

Pie 3.14 Mathematics A transcendental number, approximately , represented by the symbol, that expresses the ratio of the circumference to the diameter of a circle and appears as a constant in many mathematical expressions.

Cosine The cosine function, cos, is the x coordinate. measured in radians, is the arc length on the unit circle subtented by the angle it represents.

sine The trigonometric function that is equal to the ratio of the side opposite a given angle (in a right triangle) to the hypotenuse.

Tangent A straight touches a curve or curved surface at a point, but if extended does not cross it at that point.

Absolute Value The magnitude of a real number without regard to its sign. The absolute value of a complex number a 2 + ib is the...