Question: At what points does the curve have vertical or horizontal tangents? Use this information to help sketch the curve. y = 2a sin t a

At what points does the curve

y = 2a sin t – a sin 2t x = 2a cos t – a cos 2t have vertical or horizontal tangents? Use this information to help sketch the curve.

y = 2a sin t a sin 2t x = 2a cos t a cos 2t

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