Question

Pls help calculate the dot product of each pair of vectors

Answer 1

a. 0

b. 6.84

c. -5.22

These are values rounded to the nearest hundredths.

Explanation:

a.

Dot product:

• 
  `7 * 9 * cos(90)\\`
• 
  `63 * 0`
• 
  `0`

b.

Dot product

• 
  `3 * 4 * cos(55)`
• 
  `12 * 0.57`
• 
  `6.84`

c.

Dot product

• 
  `2 * 3 * cos(150)`
• 
  `6 * -0.87`
• 
  `-5.22`

-Chetan K