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Trigonometry Formulas

Trigonometry formulas provided below can help students get acquainted with different formulas, which can be helpful in solving questions on trigonometric with ease. Trigonometry problems are very diverse and learning the below formulae help in solving them better. Multiple formulae could be required to solve the problem, so practice to make sure you know when […]

Area Of Hexagon Formula

Definition : A polygon with six sides and six angles is termed as a Hexagon. Similarly, we have Pentagon where the polygon has 5 sides; Octagon has 8 sides.Each internal angle of the hexagon has been calculated to be 102o . In general, the sum of interior angles of a Polygon is given by- A […]

Heron’s Formula

Hero of Alexandra was a great mathematician who derived the formula for the calculation of the area of a triangle using the length of all three sides. This derived formula is called as Heron’s formula. He also extended this idea to find the area of quadrilaterals and also higher order polygons. Derivation of Heron’s formula: […]

Trigonometry Formulas For Class 10

Trigonometry is the study of relationships that deal with angles, lengths, and heights of triangles. Applications of trigonometry are also found in engineering, astronomy, Physics and architectural design. This chapter is very important as it comprises many topics like Linear Algebra, Calculus and Statistics. Trigonometry is introduced in CBSE class 10. It is a completely […]

Trigonometry Formulas For Class 11

Trigonometry is a branch of mathematics which studies the relationships that involve angles and lengths of triangles. It is very important to mathematics subject as an element of statistics, linear algebra and calculus. In addition to mathematics, it also contributes majorly to engineering, physics, astronomy and architectural design. Trigonometry Formulas for class 11 plays a […]

Section Formula in 3D

In two dimension geometry, the concept of section formula is implemented to find the coordinates of a point dividing a line segment internally in a specific ratio. In order to locate the position of a point in space, we require a coordinate system. After choosing a fixed coordinate system in three dimensions, the coordinates of […]

Section Formula & Conic Sections

Section formula is used to determine the coordinate of a point that divides a line into two parts such that ratio of their length is m:n. Let P and Q be the given two points (x1,y1) and (x2,y2) respectively, and M be the point dividing the line-segment PQ internally in the ratio m:n, then form […]

Chapter 12: Heron’s Formula

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Quadratic Formula & Quadratic Po…

Quadratic Formula – Solution of quadratic equation using factorization A quadratic equation is of the form of  are real numbers. Consider the quadratic equation = 0; substituting x=1 in LHS of the equation gives, = 0 which is equal to RHS of the equation. Similarly, substituting x = 2 in LHS of the equation also […]

Standard Deviation Formula

Standard Deviation Formula To understand the standard deviation formula let us first understand the meaning of standard deviation. For a set of data the measure of dispersion about mean when expressed as the positive square root of the variance is called standard deviation. It is denoted by For discrete frequency distribution of the type: The […]