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Problems
Mathematics
Mathematics
Problem
Solve
2
cos
(
x
−
3
π
4
)
+
1
=
0
\sqrt{2} \cos(x - \frac{3\pi}{4}) + 1 = 0
2
cos
(
x
−
4
3
π
)
+
1
=
0
for
0
≤
x
≤
6
π
0 \le x \le 6\pi
0
≤
x
≤
6
π
.
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