Respuesta :

Step-by-step explanation:

0.76+0.64/0.76-0.64

1.40/0.12

11.66

is the answer

S1NGH

Answer:

11.4300523

Step-by-step explanation:

cos 40° = 0.7660444431

sin 40° = 0.6427876097

cos 40° + sin 40° = 1.408832053

cos 40° - sin 40° = 0.1232568334

1.408832053 ÷ 0.1232568334 = 11.4300523