Business Calculus
e2t+tant−4e^{2t+\tan t-4}
(2+sec2t)e2t+tant−4\left(2+\sec^2t\right)e^{2t+\tan t-4}
(2−sec2t)e2t+tant−4\left(2-\sec^2t\right)e^{2t+\tan t-4}
−(2+sec2t)e2t+tant−4-\left(2+\sec^2t\right)e^{2t+\tan t-4}