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| 1. |
\begin{array}{r}{\frac{\cos (90-\theta) \sec (90-\theta) \tan \theta}{\csc (90-\theta) \sin (90-\theta) \cot (90-\theta)}+\frac{\tan (90-\theta)}{\cot \theta}} \\ {=2}\end{array} |
| Answer» | |