Thread: limits help part 2

i got one more limit problem that i cannot figure out

(x^2 sin x) / (1 - cos^2x) x is 0

how do i prove this

PS i got to the part (x^2 / sinx)

but i dont know how to convert it into sin(x) / (x)

Originally Posted by ubhutto

i got one more limit problem that i cannot figure out

(x^2 sin x) / (1 - cos^2x) x is 0

how do i prove this

PS i got to the part (x^2 / sinx)

but i dont know how to convert it into sin(x) / (x)

Write it as . Since , so does . The reason is that for very small values of x, .