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SAT task. Area of a rhombus

SAT task. Area of a rhombus

This lesson is dedicated for the students who are interested in learning mathematics in English as wel as preparing for SAT exam.   Good luck!

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Applying differential equation in real life

Applying differential equation in real life

This lesson is about applying mathematics to solve real life problems. The use of differential equations can help us to explore nature and predict some things beforehand. Good...

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Logarithmic inequalities

Logarithmic inequalities

Lesson about the solving logarithmic inequalities  In this 9 minut lesson you can learn how to solve logarithmic inequality of high level. Good...

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SAT geometry task about square and trapezium

SAT geometry task about square and trapezium

Are you familiar with SAT mathematics exam?  If not then this lesson represents one of SAT geometry exam task. Good...

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Task about the triangle which two sides are multiples of the first side

Task about the triangle which two sides are multiples of the first side

All the sides of a triangle is a multiple of each other. What type of triangle can it be? If you are interested to know the answer in 5 minut you can find out it by watching this video lesson. Good...

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Solving trigonometric equations by using method of auxiliary angle

Solving trigonometric equations by using method of auxiliary angle

By watching this short video lesson you can learn the method of an auxilary angle in order to solve trigonometric equations. The lesson is dedicated for the students of 11 grade. Good...

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Proving some trigonometric equations by using De Moivre's theorem

Proving some trigonometric equations by using De Moivre's theorem

In this lesson teacher explains the way of proving some trigonometric formulas by using De Moivre's and Newton binomial to complex numbers. Lesson can be interesting and understandible for 12 grade and university students who love mathematics6 especially to work with complex numbers. Good...

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De Moivre's theorem

De Moivre's theorem

Lesson about De Moivre's theorem. Good luck!

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