1.

The expression \(\dfrac{\tan 57^\circ + \cot 37^\circ}{\tan 33^\circ + \cot 53^\circ}\) is equal to

A. tan 30° cot 57°
B. tan 57° cot 37°
C. tan 33° cot 53°
D. tan 33° cot 37°
Answer» C. tan 33° cot 53°


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