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Question 27
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Markscheme
Show that, for small values of
xx
x
, the graph of
y=7+9sinx3+10tanx5 y = 7 + 9\sin \frac{x}{3} + 10\tan \frac{x}{5}
y
=
7
+
9
sin
3
x
+
10
tan
5
x
can be approximated by a straight line.
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