May 14, 2015 · You can "read" these information from your function: 1] The number multiplying the cos represents the AMPLITUE.

Feb 1, 2018 · 3cosx[cosx-2xsinx] d[uv]= vdu+udv this is the product rule, where v and u are both functions of x. Let u =3x and v=cos^2x so we have .....cos^2x.[3]+3x[-2sinxcosx] =3cos^2x …

Aug 5, 2017 · Domain: (-oo, +oo) Range: [4,2] f(x) = 3-cos2x f(x) is defined forall x in RR Hence, the domain of f(x) = (-oo, +oo) Let theta =2x :. f(x) = 3-costheta The range of cos theta =+-1 :. …

Sep 12, 2016 · You can factor: #3cos^2x - 4cosx - 4 = 3cos^2x - 6cosx + 2cosx - 4# #=3cosx(cosx - 2) + 2(cosx - 1)# #=(3cosx + 2)(cosx - 2)#

Jan 23, 2017 · 5cos 2x + 1 = 3cos 2x 2cos 2x = - 1 cos 2x = - 1/2 Trig table and unit circle give 2 solution arcs: #2x = +- (2pi)/3 + 2kpi#--> #x = +- (2pi)/6 + kpi = +- pi/3 + kpi#

Nov 17, 2015 · How do you graph #y =3cos2x+4 #? Trigonometry Graphing Trigonometric Functions General Sinusoidal Graphs ...

Jan 26, 2015 · First of all, let's remark that the derivative of a sum is the sum of the derivatives, and so we can study the function one addend at the time. In both cases, anyway, you'll need …

Apr 24, 2018 · We wish to show that: y = cos2x \ e^(-x) is a solution of the ODE: (d^2y)/(dx^2) + 2dy/dx+5y We can differentiate, y, using the chain rule and the product rule: dy/dx ...

Nov 13, 2016 · If you shift the quadratic parent function, #f(x)=x^2# down 9 units, what is the equation of the new function?

Apr 12, 2016 · How do you find the derivative of #[3 cos 2x + sin^2 x]#? Calculus Differentiating Trigonometric Functions Derivative Rules for y=cos(x) and y=tan(x)