MCQOPTIONS
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| 1. |
What is the value of [(sin4x + sin4y) × tan(2x – 2y)] / (cos4x + cos4y)? |
| A. | tan2(2x + 3y) |
| B. | tan2 |
| C. | cot(x – y) |
| D. | tan(2x + 2y) tan(2x - 2y) |
| Answer» E. | |