# Co je sin ^ 4x + cos ^ 4x

Feb 03, 2008 · For the best answers, search on this site https://shorturl.im/ttuLB. sin (2x + 2x) = 2 sin 2x cos 2x sin 4x = 2 (2 sin x cos x)(2 sin x cos x ) sin 4x = 8 sin^2 x cos^2 x sin 4x = 8 sin^2 x (1 - sin^2 x) sin 4x = 8 sin^2 x - 8 sin^4 x

4x in x x+co 5 X b) y=3(1-cos”(4x)). JE 2 [cos (73)](-sin 7x3)(21x*). du = 2e2* dx. ſe cos(3x)dx = et", \ sin(32) – Lysin(3r) 2e" dx = _ e* sin(3r)– į je* sin (3x)dx = dv = sin(4x)dx = sin(4x)dx = ·-cos(4x) = - cos(4x). to vypočítat :) Nějak mi nevychází to sin 4x a cos 4x nevím proč  31 May 2018 =. Integral [sin^4 (x), cos ^4 x) dx ]. =. Integral [ {sinx. Cosx}^4 dx ]  cos 4x. 3 tg 4x - 12 tgx .

## Feb 22, 2012 · 1/8 integral (1-2cos 4x - cos 2 4x-2 cos 4x-4cos 2 4x - 2 cos 3 4x - cos 2 4x - 2 cos 3 4x - cos 4 4x 1/8 integral (1-4cos4x-6cos 2 4x - 4 cos 3 4x -cos 4 4x dx) I stopped here because it wouldn't give me the answer I needed.

Show transcribed image text. Expert Answer Keep using the identity sin(A + B) = sinAcosB + cosAsinB and sin(A - B) = sinAcosB - cosAsinB. ### Feb 27, 2009 · use that cos 2x = 2cos²x - 1. so cos 4x = 2cos²2x - 1 = 2(2cos²x - 1)² - 1 = 8cos⁴x - 8cos²x + 1:p. calr

We hope it will be very helpful for you and it will help you to understand the solving process. Question: Rewrite Cos 4x In Terms Of Cos X. Cos^4 (x) - 6 Cos^2 (x) Sin^2 (x) This problem has been solved! See the answer. Show transcribed image text. Expert Answer Keep using the identity sin(A + B) = sinAcosB + cosAsinB and sin(A - B) = sinAcosB - cosAsinB. sin(x) + sin(3x) + sin(5x) + sin(7x) = sin(2x-x) + sin(2x+x) + sin(6x-x Question: Find The Derivative Of The Function.

If C = 0 this is an odd function which is at least consistent with the integrand being an even function. cos 2 X - cos 2 Y = - sin(X + Y)sin(X - Y) cos 2 X - sin 2 Y = cos(X + Y)cos(X - Y) Double Angle Formulas sin(2X) = 2 sinX cosX cos(2X) = 1 - 2sin 2 X = 2cos 2 X - 1 tan(2X) = 2tanX / [ 1 - tan 2 X ] Multiple Angle Formulas sin(3X) = 3sinX - 4sin 3 X cos(3X) = 4cos 3 X - 3cosX sin(4X) = 4sinXcosX - 8sin 3 XcosX cos(4X) = 8cos 4 X - 8cos 2 X + 1 Prove that (i) " cos " ((pi)/(4) + x) + " cos " ((pi)/(4)- x) =sqrt(2) " cos " x (ii) " cos " ((3pi)/(4) + x) - "cos " ((3pi)/(4)-x) =- sqrt(2) " sin " x See full list on courses.lumenlearning.com Learn how to find the limit of the quotient of subtraction of product of cosx and square root of cos2x from one by x squared as x approaches zero. Derivative of cos(4x). Simple step by step solution, to learn. Simple, and easy to understand, so don`t hesitate to use it as a solution of your homework. Below you can find the full step by step solution for you problem. 4. Products | sin mx .cos nix. Always write the bigger Je x2 – 2x + 5 8. J2 x sinx.