Algebra
Introduction to Conic Sections
Introduction to Conic Sections Conic sections can be generated when one slanted line revolves around an intersecting a vertical line . We get two cones joined at the intersection and expading indefinitely upward and downward. […]
Algebra
Inequalities
Inequalities Inequalities appear to us in many forms. Imagine that we want to express the following sentence in an equation: The total number of cars parked here is at least 50. If this total is […]
Algebra
An introduction to Complex numbers
An introduction to Complex numbers Complex numbers are numbers in the form of . They are widely used and make lengthy solutions very short in various fields like Electrical Engineering, Navigation, etc… In this form, […]
Algebra
Algebraic identities
Algebraic identities We have already used lot of identities in our generic problems we solved. It is important that we learn the basic algebraic identities and how to sue them depending on the situations. We […]
Calculus
Integration table
Integration table In the previous chapters, we have used an extensive amount of formulas for the indefinite integration. While we have not started the definite integrals calculation, it is handy to have some of the […]
Trigonometry
Solving trigonometric equations
Solving trigonometric equations Angle of elevation: In most trigonometric problems, you’ll see the word “Angle of elevation”. The angle of elevation of an object is the angle formed by the horizontal and the line from […]
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