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11
Ratio of Trig Sums
Ratio of Trig Sums
Source:
December 20, 2005
ratio
trigonometry
floor function
integration
calculus
complex numbers
geometric series
Problem Statement
Let
x
=
∑
n
=
1
44
cos
n
∘
∑
n
=
1
44
sin
n
∘
.
x=\frac{\displaystyle\sum_{n=1}^{44} \cos n^\circ}{\displaystyle \sum_{n=1}^{44} \sin n^\circ}.
x
=
n
=
1
∑
44
sin
n
∘
n
=
1
∑
44
cos
n
∘
.
What is the greatest integer that does not exceed
100
x
100x
100
x
?
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