MCQOPTIONS
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| 1. |
\[\frac{{{\sin }^{2}}A-{{\sin }^{2}}B}{\sin A\cos A-\sin B\cos B}\]is equal to |
| A. | \[\tan (A-B)\] |
| B. | \[\tan (A+B)\] |
| C. | \[cot(A-B)\] |
| D. | \[cot(A+B)\] |
| Answer» C. \[cot(A-B)\] | |