Respuesta :
Step-by-step explanation:
cos(57)=x/15
- 0.544×15=x
- x=8.16
stay safe healthy and happy.
Answer:
If you mean 57 degrees then the answer is 8.1695...
If you mean 57 radians then the answer is 13.498...
Step-by-step explanation:
Isolate the x by multiplying 15 on both sides
15 x cos(57) = x