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Mathematics
Mathematics
Problem
The vectors
A
⃗
=
4
i
^
+
3
j
^
\vec A = 4\,\hat i + 3\,\hat j
A
=
4
i
^
+
3
j
^
and
B
⃗
=
−
2
i
^
+
7
j
^
\vec B = -2\,\hat i + 7\,\hat j
B
=
−
2
i
^
+
7
j
^
lie in the
x
y
xy
x
y
-plane. Calculate the angle between
A
⃗
\vec A
A
and
B
⃗
\vec B
B
in degrees (round to the nearest whole number).
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