Answer:
3rd option
Step-by-step explanation:
( )(x)
=
= ← factorise numerator and denominator
= ← cancel (2x + 1) on numerator/ denominator
=
Consider vectors u = (2, 1) and v = (4, -1) with the angle between them equal to 40°. What are the scalar projections
2 answers:
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Answer:
74°
Step-by-step explanation:
From the attached figure, translation only affects the length of the sides of the triangle :
From the figure :
We are given ;
A = 80° ; C = 26° ; B =?
Sum of angles in a triangle :
A + B + C = 180°
80° + B + 26° = 180°
106° + B = 180°
B = 180 - 106
B = 74°
