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Melkor
Answers (1)
(1/4)t + 3/5= 2/5 - t => (5/4)t + 3/5 = 2/5 => (5/4)t = -1/5 => t/4 = -1/25 => t = -4/25 Strictly the equation should read (d/dx)(sin(x) + cos(x)) => (d/dx)sin(x) + (d/dx)cos(x) => cos(x) - sin(x) The differentials of sin and cos should be learned. You can
