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The solution to both of these problems consists of clear and self explanatory diagrams, with detailed step by step proofs and calculations. All the diagrams have been drawn in msword and the equations are written in an equation editor.
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Q. 1.4.15: Derive the law of sine, i.e. by using cross product of the three vectors A, B & C.
From figure, it is seen that the vector C starts from the end point of the vector B. Hence ...
Deriving the Law of Sines and Volume of a Parallelepiped Using the Triple Scalar Product are investigated. The solution is detailed and well presented.