Emaths All about Mathematics

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ANGLE BETWEEN TWO LINES

Consider two lines: and , where , Angle between both lines are . Taking tan both sides,   Example Find the angle between the lines.   Solution The equation is written as follows: The...

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AREA OF A TRIANGLE

Consider a triangle as shown below: The most common formula to find the area of the triangle is. In any triangle, the area of the triangle is given by Where, b is the length...

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SECTION FORMULA

1. Internal division Consider a point P(x, y) divides the line segment joining A(x1, y1) and B(x2, y2) in the ratio m : n. Draw   The coordinates of point P are   Example:...

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DISTANCE FORMULA

The perpendicular distance of a point from the y-axis is called x-coordinate and the perpendicular distance of a point from the x-axis is called y-coordinate. The coordinates of a point on the x-axis is...

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THE LAW OF TOTAL PROBABILITY

Let E1, E2, E3, …………. En mutually exclusive and exhaustive events and A is dependent event occurs after E1, E2, E3, …………. En. Probability of event A By multiplication theorem . Where stands for...