Graphical Relationship Between sin(x), x, and tan(x), using Radian Measure - Page 2

Questions
  • How to , using Taylor series approximation , estimate the value of π, when arctan(x) ≈ x-x^3/3+x^5/5-x^7/7 ?
  • How do you use spherical Bessel functions of the first and second kind to solve the following ordinary differential equation?
  • Prove that the function f(x)=tanh^-1(x) is an odd function ?
  • How are sin(x), tan(x), and x related graphically?
  • For #f(x)=sin^2x# what is the equation of the tangent line at #x=(3pi)/2#?
  • For #f(x)=sinx# what is the equation of the tangent line at #x=(3pi)/2#?
  • What is the measure of the angle between #v = <-2, 7># and #w = <1, -3>#?
  • For #f(x)=xsin^2x# what is the equation of the tangent line at #x=(3pi)/2#?
  • What trigonometric identity was used to get from #sin((kpix)/L)[A_kcos((kpict)/L) + B_ksin((kpict)/L)]# to #E_ksin((kpix)/L)cos[(kpic)/L(t-t_k)]#? What is the relationship between the pair of constants #E_k# and #t_k#, and the pair #A_k# and #B_k#?
  • How do i find the solution for alpha in radians to : tan (alpha - 2) = 0.19 ?
  • I dont understand how to figure this out. Help!?