Recommended Questions
- cos2x-cos8x+cos6x=1
02:41
|
Playing Now - Find the integrals of the functions cos2xcos4xcos6x
02:20
|
Play - Prove that: 1+cos2x+cos4x+cos6x=4cosxcos2xcos3x
04:44
|
Play - Prove that: (cos7x-cos8x)/(1+2cos5x)=cos2x-cos3x
06:23
|
Play - Evaluate the following limit: lim(x->0)(1-cos2x)/(cos2x-cos8x)
02:03
|
Play - =(3)/(5)lim(x rarr0)((1-cos2x*cos4x*cos6x*cos8x*cos10x)/(x^(2)))
07:43
|
Play - cos2x-cos8x+cos6x=1
02:41
|
Play - int(cos7x-cos8x)/(cos2x-cos3x)dx
03:40
|
Play - Evaluate the following limits: lim(xrarr0)((1-cos2x))/((1-cos6x))
01:54
|
Play