MCQOPTIONS
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| 1. |
If \[\sin (A+B)\]=1 and \[\cos (A-B)=\frac{\sqrt{3}}{2},\]then the smallest positive values of A and B are |
| A. | \[{{60}^{o}},\text{ }{{30}^{o}}\] |
| B. | \[{{75}^{o}},\text{ }{{15}^{o}}\] |
| C. | \[{{45}^{o}},\text{ }{{60}^{o}}\] |
| D. | \[{{45}^{o}},\text{ }{{45}^{o}}\] |
| Answer» B. \[{{75}^{o}},\text{ }{{15}^{o}}\] | |