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7
8
9
4
5
6
1
2
3
0
.
plus
minus
multiply
divide
square root
to the power of
asin
acos
atan
sin
cos
tan
csc
sec
cot
acsc
asec
acot
(
)
defined as
f(x)
g(x)
h(x)
f(#)
g(#)
h(#)
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