Practice problem
If csc(x)=7\csc(x)=7csc(x)=7 and 90∘<x<180∘90^{\circ}<x<180^{\circ}90∘<x<180∘, then find the exact value for tan(x2)\tan(\frac x2)tan(2x)
7+437+4\sqrt37+43
7−437-4\sqrt37−43
43−74\sqrt3-743−7
−7−43-7-4\sqrt3−7−43
Type a concept, like “slope” or “photosynthesis”.