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Trigonometric Equation

Solving trig 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. Then, using these results, hence, we can obtain solutions. Trigonometric equation

Vector and vector equation of line

The vector is direction one point to another point. The vector equation of a line is r = a + tb. In this equation, “a” represents position  vector and “b” represents a direction vector  of the line. Moreover “r” represents the vector of any general point on the line and “t” is constant. Hence it is similar to equation of line vector

Maxima and minima

Maximum and Minima of Points of Inflection. The value f ‘(x) is the gradient at any point but often we want to find the Turning or Stationary Point (Maximum and Minimum points) or Point of Inflection These happen where the gradient is zero, f ‘(x) = 0. Critical Points include Turning points and Points where f ‘ (x) does not exist. […]

Rules of derivative

Rule for derivatives. Rules for derivatives. Sum rule: The derivative of the sum or difference of two functions is the sum or difference of their derivatives. (u + v)’ = u’ + v’ Constant multiple: The derivative of a constant times a function is the constant times the derivative of the function. (ku)’ = ku’ Rules of derivative

 
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