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Equation of Tangent and Normal

Tangents to a curve are a line that touches the curve at one point and has the same slope as the curve at that point. A normal to a curve is a line perpendicular to a tangent to the curve. Tangent and Normal

Trigonometric equations

Trigonometric equations use both the reference angles and trigonometric identities The general method of solving an equation is to convert it into the form of one ratio only.  Hence, we can obtain solutions. Trigonometric Equation  

Trigonometric Identity

The trigonometric identity  showing that the identity is always true, no matter what value of x or θ is used. Because it has to hold true for all values of x, we cannot simply substitute in a few values of x to “show” that they are equal.  We have to use logical steps to show […]

Trigonometric Identity

trigonometry identities showing that the identity is always true, no matter what value of x or θ is used. Because it has to hold true for all values of x, we cannot simply substitute in a few values of x to “show” that they are equal.  We have to use logical steps to show that one […]

Logarithmic Expression

Logarithmic Expressions are simplify by Rules or Laws of Logarithms and solve by inverse of exponentiation. It is expressed by using the abbreviation “log”. Because of different base of number log notation are also different. lg for base 10 , ln for base e . Logarithm quotient rule The logarithm of the division of x and y is the difference of logarithm of x […]

Binomial Theorem

Binomial theorems is another ways of expansion of two terms.  Another way it is generalised form of expansion. Due to expansion of two term it is binomial. “What are the binomial coefficients?” . It shows how to calculate the coefficients in the expansion of (a + b) n. The symbol for a binomial coefficient nCr. As well as pascal […]

Absolute Equation

Solving absolute value equations and inequalities. And represents the distance between a and 0 on a number line. An absolute value equation is an equation that contains an absolute value expression. Has two solutions x = a and x = -a because both numbers are at the distance a from 0. Absolute Equation

Algebraic Fraction

This post about Algebraic fractions are a fraction whose numerator and denominator are algebraic expressions. Fractions in Algebra. We can add, subtract, multiply and divide fractions in algebra in the same way we do in simple arithmetic. Adding Fractions. When adding or subtracting algebraic fractions, the first thing to do is to put them onto a common denominator (by cross multiplying). Therefore we solve by […]

Product to Sum

Product‐Sum and Sum‐Product Identities. The process of converting  products into sums can make a difference  .  Integrate \( \int \! \sin 3x \cos 4x \, \mathrm{d}x.\) This problem may seem tough at first, but after using the product-to-sum trigonometric formula, this integral very quickly changes into a standard form . Converting a sum of trig functions into a product. Write as and then […]

 
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