?For the following exercises, the two-dimensional vectors a and b are given.a. Find the

Chapter 2, Problem 134

(choose chapter or problem)

For the following exercises, the two-dimensional vectors a and b are given.

a. Find the measure of the angle θ between a and b. Express the answer in radians rounded to two decimal places, if it is not possible to express it exactly.

b. Is θ an acute angle?

u = 5i, v = −6i + 6j

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