Prove that the equation is an identity.
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What will be an ideal response?
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? 
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= 
Pythagorean identity
= csc x - cot x
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Mathematics
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Write the negation of the proposition.She earns more than me.
A. She earns the same as me. B. She does not earn more than me. C. She does not earn less than me. D. She earns less than me.
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Answer the question about the preference schedule.How many voters preferred Candidate C to Candidate D? Preference Schedule for an election. 
A. 28 B. 45 C. 10 D. 42
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Find the sample standard deviation.5, 11, 16, 10, 5, 7, 15, 20, 16
A. 5.1 B. 25.8 C. 5.4 D. 29.0
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Graph the inequality.y ? - 5x
A. 
B. 
C. 
D. 
Mathematics