If OT is the perpendicular drawn from the origin to the tangent at any point t to the curve\[x=a\text{ }co{{s}^{3}}t,\text{ }y=\text{ }a\text{ }si{{n}^{3}}t\], then OT is equal to:

If OT is the perpendicular drawn from the origin to the tangent at any

1.	If OT is the perpendicular drawn from the origin to the tangent at any point t to the curve\[x=a\text{ }co{{s}^{3}}t,\text{ }y=\text{ }a\text{ }si{{n}^{3}}t\], then OT is equal to:
A.	a sin 2t
B.	\[\frac{a}{2}\sin 2t\]
C.	2a sin 2t
D.	2a
Answer» C. 2a sin 2t

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If OT is the perpendicular drawn from the origin to the tangent at any point t to the curve\[x=a\text{ }co{{s}^{3}}t,\text{ }y=\text{ }a\text{ }si{{n}^{3}}t\], then OT is equal to:

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