Question

Evaluate the following limit limx-->0 1-cos2x / x 2 FASTTT!!!!!!!!!!!!!!!!!!

Answer 1

 lim x->0 (2*sin 2x) / 2x 
= lim x->0 (sin 2x) / x 
= lim x->0 2*cos 2x 
= 2*cos 2(0) 
= 2*cos 0 
= 2(1) 
= 2 

Answer 2

Answer:-

Hope it helped!!!!!!!!!!