Question

Limit x menuju pi/2 1-sin kuadrat x/(sin1/2x-cos1/2x)kuadrat

Answer 1

Lim (1 - sin² x)/(sin (x/2) cos (x/2))²
x->π/2
= lim cos² x/(1/2 sin x)²
x->π/2
turunkan
= 4 lim -2sin x cos x/2sin x cos x
x->π/2
= -4