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Mathematics
Mathematics
Problem
Which trigonometric function is equal to
sin
x
cos
x
\dfrac{\sin x}{\cos x}
cos
x
sin
x
? a)
cot
x
\cot x
cot
x
b)
cos
x
sin
x
\dfrac{\cos x}{\sin x}
sin
x
cos
x
c)
tan
x
\tan x
tan
x
d)
sec
x
\sec x
sec
x
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