Step-by-step explanation:
since x is in quadrant three,tan theta and cot theta are positive
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tan theta= opposite/adjacent
sin theta = opposite /hypotenuese
from triangle ,we know 2 sides hypotenuese and opposite as 5 and 3 respectively,we get third side as 4 using pythagorous theorem
tanx°=3/4
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but asked tanx/2
see the attachment now
