Ratios of obtuse, negative or large angles: reduce by 180 or 360 and evaluate

1. A.
   $\frac{1}{2}$
2. B.
   $1$
3. C.
   $0$
4. D.
   $-1$

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1. A.
   $-0.5$
2. B.
   $0$
3. C.
   $0.5$
4. D.
   $1$

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1. A.
   3
2. B.
   1
3. C.
   4
4. D.
   0

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1. A.
   $\frac{\sqrt{5}}{2}$
2. B.
   $\frac{1}{2}$
3. C.
   $\frac{-1}{2}$
4. D.
   $\frac{-1}{\sqrt{2}}$

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1. A.
   $1$
2. B.
   $\frac{1}{2}$
3. C.
   $-1$
4. D.
   $0$

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1. A.
   $-1$
2. B.
   $2$
3. C.
   $0$
4. D.
   $1$

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1. A.
   1.5
2. B.
   0.5
3. C.
   0.75
4. D.
   -0.5

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