Practice problem
(BMT 2016 Analysis Focus #5) Find tan1∘1+tan1∘+tan2∘1+tan2∘+...+tan89∘1+tan89∘.\frac{\tan 1^{\circ}}{1+\tan 1^{\circ}} + \frac{\tan 2^{\circ}}{1+\tan 2^{\circ}} + ... + \frac{\tan 89^{\circ}}{1+\tan 89^{\circ}}.1+tan1∘tan1∘+1+tan2∘tan2∘+...+1+tan89∘tan89∘.
892\frac{89}{2}289
454545
912\frac{91}{2}291
464646
Type a concept, like “slope” or “photosynthesis”.
