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| Q. |
Which of the following functions represents a simple harmonic oscillation? |
| A. | sinωt-cosωt |
| B. | sinωt+sin2ωt |
| C. | sinωt-sin2ωt |
| D. | sin2 ωt |
| Answer» A. sinωt-cosωt | |
| Explanation: y=sinωt-cosωt dy/dt=ωcosωt+ωsinωt | |
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