Use the unit circle to find the indicated quantities.
cot 
; csc 
A. -1; 0
B. 0; undefined
C. Undefined; -1
D. 0; 1
Answer: D
Mathematics
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A. -126 B. 10.4 C. 12 D. 10.5
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Find the sum or difference. Write the answer in standard form, a + bi.(7 - 9i) + (2 + 3i)
A. 5 + 12i B. -9 + 6i C. 9 + 6i D. 9 - 6i
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Simplify.2 - 7(-9)
A. 61 B. -45 C. 65 D. -61
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Use the Pythagorean theorem to find the unknown side of the right triangle.
A. 
B. 25
C. 5
D. 
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