Trigonometry

Law of Sine

If none of the angles of a triangle is a right angle, the triangle is called oblique triangle. An oblique triangle is labeled such that side a is opposite to angle A, side b is opposite to angle B and side c is opposite to angle C. To solve triangle means to find its lengths …

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Trigonometry

Trigonometric Functions Using Right Triangles

A triangle in which one angle is a right angle (90 degree) is called a right triangle. The side opposite to the right angle is called hypotenuse and the remaining two sides are called the legs of the triangle. In the following figure, angle is an acute angle that is, . The laws of trigonometry …

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Geometry

Geometric Shapes and Properties

Triangle Three sides connected to each other resulting a closed contour is known as triangle. As shown in the figure below, it’s edges and angles are represented in this format: Angles are represented with capital letter A, B and C (or sometimes written as ∠BAC, ∠ABC and ∠ACB) and the edge opposite to angles A, …

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Algebra

Solve Quadratic Equations

According to Wikipedia, “a quadratic equation is a equation that can be arranged in standard form as Where x is unknown and a, b and c are known coefficients. The coefficient terms a, b and c are also known as quadratic coefficient, linear coefficient and constant terms respectively. The condition to be quadratic is . …

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Algebra

Different Types of Functions

Continuous Function: A function is said to be continuous if there is no abrupt changes or discontinuity in the function. The best way to measure the continuity of a function at any point is to approach from both sides of the function to that point. If you reach at the same point or if you …

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Algebra

Constant, Variable and Function

Constant In Mathematics a constant is defined to have a fixed value within the scope of its use. It is usually represented by the first few letters of English alphabet such as a, b, c etc. For example a = 3, c= 7. Variable In contrast to constant, a variable can take any value and …

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