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1. Why is the magnitude of the sum of two vectors less than or equal to the sum of the magnitudes of each vector? Please be as detailed as possible.
2. 1)Explain why you will get an error for cos-1(-1.008). Specific.2) Solve algebraically, 2sin(3x)-1=0, give the first exact positive solutions.
M.Sc Mathematics - Gold Medalist
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