Complete the identity.
+ 
= ?
A. 1 + cot ?
B. sin ? tan ?
C. sec ? csc ?
D. -2 tan2 ?
Answer: C
Mathematics
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Find the center and the radius of the circle.x2 + (y - 1)2 = 64
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Use the right triangle shown and find the missing length. If necessary, round to three decimal places. 
c = 13, a = 5
A. 4.243 B. 2.828 C. 12 D. 13.928
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Multiply. Simplify, if possible.-0.6 ? (-18.3)
A. -17.7 B. 10.98 C. -18.9 D. 18.9
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x? = 0.8x ? 0.2xy , y? = ?0.5y + 0.1xy
What will be an ideal response?
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