Answer: x = 20
Step-by-step explanation:
Right angle = 90
90 - 47 = 43
43 - 3 = 40
40/2 = 20
<span>it is the letter b because if you count closly you will see
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√11 √5 = √(11 * 5) = √55 = approx 7.42 (rounded)
Answer:
thethe answer is the 3rd one
Answer: The value of cos theta is -0.352.
Step-by-step explanation:
Since we have given that

We need to find the cos theta between u and w.
As we know the formula for angle between two vectors.

So, it becomes,

Hence, the value of cos theta is -0.352.