Answer:
a. 0
b. 6.84
c. -5.22
These are values rounded to the nearest hundredths.
Step-by-step explanation:
a.
Dot product:
- [tex]7 * 9 * cos(90)\\[/tex]
- [tex]63 * 0[/tex]
- [tex]0[/tex]
b.
Dot product
- [tex]3 * 4 * cos(55)[/tex]
- [tex]12 * 0.57[/tex]
- [tex]6.84[/tex]
c.
Dot product
- [tex]2 * 3 * cos(150)[/tex]
- [tex]6 * -0.87[/tex]
- [tex]-5.22[/tex]
-Chetan K
