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Mathematics
Mathematics
Problem
Identify the value of
x
x
x
at which the function
y
=
cos
x
y=\cos x
y
=
cos
x
equals zero. a)
0
0
0
b)
π
\pi
π
c)
π
2
\dfrac{\pi}{2}
2
π
d)
π
3
\dfrac{\pi}{3}
3
π
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