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If x=3 sin t-sin 3t and y=3 cos t- cos 3...

If `x=3 sin t-sin 3t` and `y=3 cos t- cos 3t`, find `(d^(2)y)/(dx^(2)) at t=(pi)/(3)`.

Text Solution

Verified by Experts

The correct Answer is:
`(-16)/(27)`
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