Tính thể tích các vật thể tròn xoay tạo bởi đồ thị hàm số y = sinx - cosx?

Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, ... Mar 6, 2018 ... Program to calculate MacLaurin expression. 'a' is the value whose exponential is to be found. 'n' is the number of expansion terms. calculating factorial. May 12, 2012 ... e(2−i)x (cosx + 2 sinx + i sinx) so that the particular solution becomes up(x) = e−ix"Z 1. 8 e2xeix. (cosx + 2 sinx + i sinx) dx. #. = 1. 8 e2x. Mar 4, 2006 ... Why is sin (x+x) = sinx cosx + cosx sinx ? ... sin (x+y) = sin x cos y + cos x sin y. Simply place an "x" for the "y" in the formula. Noted: sin ( ... Sinx Cosx. J/4 0.2500. 0.2500. 0.2501 Doo. 0.249999. 0.249999. 0.249999 Doo ... Sin (cos x) .COSX. J. 1.382460. 1.382449. 0.13824493 Dol. 1.3824492. 1.3824493 Dol. 99996160888-0-0 ... Q. If y=√cosx+√cosx+√cosx+.......∞ then prove that dydx=−sinx(2y−1). It's correct so far, but I don't think it helped. Expand out the bracket on the LHS and see if you recognize anything. Take the inverse tangent of both sides of the equation to extract x x from inside the tangent. x=arctan(1) x = arctan ( 1 ). In this section we focus on their behavior as functions and study their graphs. The graphs of sinx, cosx, and tanx are given below, where x must be in radians. Dec 27, 2019 ... If I1 = ∫ln(sinx)dx for x ∈ [0, π/2] and I2 = ∫ln(sinx + cosx)dx for x [-π/4, π/4] ... If I1 = ∫ln(sinx)dx for x ∈ [0, π/2] and I2 = ∫ln(sinx + ...