This lesson defines the dot product for vectors (two dimensions) and gives examples of two applications – law of cosines and projections. The concept of “orthogonal vectors” is explained. A basic understanding of vectors is necessary to comprehend this video (http://youtu.be/Z1o-DGohM60).

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Please watch: “Factors and multiples рдЧреБрдгрдЬ рдФрд░ рдЧреБрдгрдирдЦрдВрдб by SKP,sir” https://www.youtube.com/watch?v=VWill1qaEpw –~– ow to find Area of triangle when medians are given by skp рддреНрд░рд┐рднреБрдЬ рдХрд╛ рдПрд░рд┐рдпрд╛ рдХреИрд╕реЗ рдирд┐рдХрд╛рд▓реЗ рдЬрдм рдорд╛рдзреНрдпрд┐рдХрд╛рдПрдБ рдЬреНрдЮрд╛рдд рд╣реИрдВред In a triangle the intersection point of medians divides the six equal area of triangles as well as the intersection point devide…