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OpenStudy (anonymous):
MEDAL!!!!!!!!!!!! What is the missing justification in the proof of the Pythagorean identity below, sin^2(x)+cos^2(x)=1, using a right triangle? A. Transitive property of equality B. Substitution property of equality C. Reflexive property of equality D. Symmetric property equality
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OpenStudy (anonymous):
OpenStudy (fibonaccichick666):
What does sinx=?
OpenStudy (anonymous):
it was B
OpenStudy (fibonaccichick666):
It was, but I was going to make you think to get there
OpenStudy (anonymous):
my quiz do not have b as and answer
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