0.4+x(10%)=4.9 solve for x.
1 answer:
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u - v = <5, 2> - <2, - 3> = <5 - 2, 2 + 3> = <3, 5>
given a vector <u, v> then the magnitude is √ (u² + v² ) and it's angle of direction is
θ = (
)
thus the magnitude of <3, 5> = √(3² + 5²) = √34 ≈ 5.83 ( to 2 dec. places )
Θ = (
) = 59.04° ( to 2 dec. places )
Answer:
d.
Step-by-step explanation:
The given trigonometric equation is;
Recall that;
The cosine function is negative in the second and third quadrant.