If x = 2 cos 3t and y = e^(−t), find dy/dx.
University of Ilorin MTH102 2026-exam past question
- e^(−t)/(6 sin 3t)
- −e^(−t)/(6 sin 3t)
- e^(−t)/(6 cos 3t)
- 6 sin 3t/e^(−t)
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