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Question 1
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The equation of the tangent at any point of curve $x=a cos2t, y=2\sqrt{2} a sint$ with $m$ as its slope is
A.
$$y=mx+a(m-\frac{1}{m})$$
B.
$$y=mx-a(m+\frac{1}{m})$$
C.
$$y=mx+a(a+\frac{1}{a})$$
D.
$$y=amx+a(m-\frac{1}{m})$$
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