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Dg

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how do i solve these quadratics? c=100009a+3b+c=7975 36a+6b+c=6400 im unsure of how to solve as a and b are unknowns...
1. 2 answers
2. 450 views
(3-4cos(2x)+cos(4x))/(3+4cos(2x)+cos(4x))=tan^6(x)
1. 3 answers
2. 1,307 views