Finding the Role of R in Trigonometric Equations: An Algebraic …
2012年6月12日 · Homework Statement acos(x)+bsin(x)=Rsin(x+t) Homework Equations The Attempt at a Solution Is there any way to show how R is "placed" in acos(x)+bsin(x)=Rsin(x+t) …
How Can You Express a Trigonometric Function as a Phase-Shifted …
2012年11月8日 · Show that Acos(ωt) + Bsin(ωt) can be written in the form r*sin(ωt - θ). Determine r and θ in terms of A and B. If Rcos(ωt - ε) = r*sin(ωt - θ), deermine the relationship among R, …
X = Acos(ωt) + Bsin(ωt) derivation - Physics Forums
2012年3月11日 · The general solution to this differential equation is x = Acos(ωt) + Bsin(ωt). Mar 11, 2012 #7
How to show that Acosx+Bsinx=Ccos(x+a) - Physics Forums
2009年4月8日 · Expand the RHS using the cos(A+B) identity. cos(A+B)=cos(A)cos(B)-sin(A)sin(B) or Ccos(x+a)=Ccos(x)cos(a)-Csin(x)sin(a)
How Does the Rule a Cos Theta - Physics Forums
2006年9月8日 · Hey, I’ve got a test in one week’s time and was studying through my textbook of geometry and trigonometry. I came across a “rule” which shows how to simplify expressions in …
Find a,b,c in sin^5(x) = asin(x) + bsin(3x) + csin(5x) - Physics Forums
2009年11月1日 · Homework Statement Find A,B,C in sin^5(x) = Asin(x) + Bsin(3x) + Csin(5x). The Attempt at a Solution I get by Euler the double angle identities for sin(3x) and sin(5x). …
Transform General EQ Acos(wt)+Bsin(wt) - Physics Forums
2016年1月19日 · Ccos(wt+phi) = Acos(wt)+Bsin(wt) and isolate C and phi, I assume. Going in this direction can be a bit trickier. The results you have in the OP should help with this.
Solve this :bSin(x)+aCos(x)=bSin(mx)+aCos(mx) - Physics Forums
2008年6月6日 · solve this : bSin(x)+aCos(x)=bSin(mx)+aCos(mx) , make a discu:smile:ssion Insights Blog -- Browse All Articles -- Physics Articles Physics Tutorials Physics Guides …
Polar Coordinates: Position of Particle at T/8 - Physics Forums
2016年8月8日 · The position of a particle is given by r(t) = acos(wt) i + bsin(wt) j. Assume a and b are both positive and a > b. The plane polar coordinates of a particle at a time t equal to 1/8 of …
Cos(A-B) vs sin(A+B) [acos(x) + bsin(x) question] - Physics Forums
2015年6月27日 · Homework Statement I already solved the question but there was a question at the end just for thought I guess. Solve the equation 3 cosx + 4 sinx = 2, for values of X from 0 …