SEARCH HOME
 Math Central Quandaries & Queries
 Question from Amanda, a student: What is the limit, as x tends to zero, of: (1-cos(4x))/(xsin(x))? Thank you! ~Amanda

Hi Amanda,

Multiply the numerator and denominator by 1 + cos(4x).

Write back if you still have difficulties evaluating this limit.

Harley

Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.