Answer:
15/2 or 7.5
Step-by-step explanation:
cos(60)=1/2
so 15(1/2)=15/2 or 7.5
For this case we must evaluate the following expression:
[tex]15 * cos (60)[/tex]
By definition we have that the cosine of 60 degrees is [tex]\frac {1} {2}.[/tex] Then, substituting in the expression we have:
[tex]15 * \frac {1} {2} = \frac {15} {2} = 7.5[/tex]
So, we have:
[tex]15 * cos (60) = 7.5[/tex]
Answer:
[tex]15 * cos (60) = 7.5[/tex]
