Respuesta :

calculista
the complete question in the attached figure

we know that

sin40° = opposite side / hypotenuse
opposite side =AC
hypotenuse = AB-------> 10 in
so
sin 40=AC/AB---------> AC=AB*sin 40-------> AC=10*sin 40

the answer is
AC=10*sin 40
Ver imagen calculista

Answer:

(10)sin(40o) = AC

Step-by-step explanation: