leeminhyuk leeminhyuk
  • 22-04-2017
  • Mathematics
contestada

Cos^2x-cos^6x=sin4xsin8x

Respuesta :

PrinceMinusB
PrinceMinusB PrinceMinusB
  • 22-04-2017
(cos2x+cos6x)(cos2x-cos6x) =

(2 sin 4x cos 4x) (2 sin 2x cos 2x) =

sin 8x sin 4x (Answer)
Answer Link

Otras preguntas

a method of paring down the a set of candidate predictor variables in a linear model one at a time until all variables left in the model are useful in explainin
3500pounds is placed into a savings account that pays interest at arate of 1.5% compounded annually. Calculate the total compound amount at the end six years of
To maximize motivation, is usually based on performance over which the employee has some degree of control. A) Merit pay B) Employee benefits C) Social recognit
vous (s'occuper) de cuisiner cette semaine​
An aqueous solution contains 0.20 M ammonia. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains con
I have a problem at 4'o clock on the given attachment picture please check it out​
What is the ratio of [NO3] to [NH4*] at 298 K if Po2 = 0. 180 atm? Assume that the reaction is at equilibrium
Explain in TWO ways how your community can support the 16 Days of Activism​
1. Determine which of the following differential equations are separable. If the differential equation is separable, then solve the equation. (a) dy/ dt = -3y (
please help!!! I need this rn!