Remember that cos is just a translation of sin and vice versa.
So:
Sin(x) = Cos(90 - x)
Cos(x) = Sin(90 - x)
Therefore, to answer your question:
Cos(19) = Sin(90 - 19)
= Sin(71)
2.16666... -Meters Per Second
About 4.8467- Miles Per Hour
About 7.8- Kilometer Per Hour
4+x <u><</u> 8: i believe this would be the right answer
Answer:
The answer for me would be B
Step-by-step explanation: