With which set of information can you construct a unique parallelogram? Assume the parallelogram is not a rhombus, rectangle, or
2 answers:
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First, we are going to use the Pythagorean identity: 
to rewrite our expression. Solving for 
in our Pythagorean identity we get that 
, so we can rewrite our expression as follows:
Next, we are going to use the trig identity:
to completely simplify our expression:
We can conclude that
Next, we are going to use the trig identity:
We can conclude that