Find the exact value of 
given that 
and 
. (Both u and v are in Quadrant II.)
Definitions:
Relative Efficiency
A measure comparing the precision of different estimators or statistical procedures under the same conditions.
Line-Angle Formula
A representation of molecular structure using lines for bonds between carbon atoms and angles to indicate changes in direction, omitting most hydrogen atoms.
Compounds
Substances formed from two or more elements that are chemically combined in fixed ratios.
Molecular Formula
A notation representing the number and type of atoms in a molecule without indicating how the atoms are bonded.
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