MCQOPTIONS
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| 1. |
If \({\sin ^2}A{\rm{\;}} + {\sin ^2}B = \frac{1}{{16}}\), then what is the value of \(\left( {{{\cos }^2}A{{\cos }^2}B - {{\sin }^2}A{{\sin }^2}B} \right)\)? |
| A. | 11/16 |
| B. | 15/16 |
| C. | 17/16 |
| D. | 13/16 |
| Answer» C. 17/16 | |