Category: algebra

  slope or gradient of a line is a number that describes both the direction and the steepness of the line. Slope is denoted by the letter m

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                                   SIMULTANEOUS EQUATIONS a set of two or more equations, each containing two or more variables whose values can simultaneously satisfy both or all …

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C^2 = A^2 + B^2 -2AB cosC

  The Laws of Sines and Cosines. The Law of Sines establishes a relationship between the angles and the side lengths of ?ABC: a/sin(A) = b/sin(B) = c/sin(C).