MCQOPTIONS
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| 1. |
For α and β both being acute angles, it is given thatSin(α + β) = 1, cos(α - β) = 1/2. The values of α and β are: |
| A. | 45°, 15° |
| B. | 60°, 30° |
| C. | 75°, 45° |
| D. | 75°, 15° |
| Answer» E. | |