## common difference of arithmetic progression or sequence

Common difference of arithmetic progression or sequence is defined as the difference between the two consecutive terms in the arithmetic progression or sequence or series.  It is constant across the whole series if $a_1$,$a_2$ ,$a_3$.$a_4$ …..  are in arithmetic progression or sequence then $d=a_2 -a_1 = a_3 -a_2 =a_4 -a_3$…. If the common difference is not same across the series ,then series is not in … Continue reading common difference of arithmetic progression or sequence »

## Trigonometry Formulas for class 11 (PDF download)

Trigonometry is quite a interesting subject. Some of the basic in trigonometry which need to be remember is

tan(x) = sin(x)/cos(x)

cot(x) = cos(x)/sin(x)

Reciprocal Identities:

csc(x) = 1/sin(x)

## What is Similarity in math (geometry)?

Similarity – Geometry (basics and concept:- similarity math) Geometry is a branch of mathematics. While studying geometry we are concerned with questions of shape, size, the relative position of figures, and the properties of space. This article is about similarity (geometry) as we study in math. The figure below shows various figures having the same color are similar figures. We often come across objects that … Continue reading What is Similarity in math (geometry)? »

## Arithmetic progression questions for class 10

This page contains arithmetic progression questions for class 10. In this link get short arithmetic progression class 10 notes. Few other links are arithmetic progression class 10 important questions arithmetic progression assignment Practicing these questions on Arithmatic progression for class 10 maths can be helpful for your board exams. Arithmetic Progression questions and answers class 10 maths One Marks Questions Question 1. If k, 2k … Continue reading Arithmetic progression questions for class 10 »