MCQOPTIONS
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| 1. |
What is the value of [(cos3θ + 2cos5θ + cos7θ) ÷ (cosθ + 2cos3θ + cos5θ)] + sin2θ.tan3θ? |
| A. | cos2θ |
| B. | sin2θ |
| C. | tan2θ |
| D. | cotθ.sin2θ |
| Answer» B. sin2θ | |