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1
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If  and  lies in Quadrant II, what is
the value of  ?
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2
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If  and  , what is the value of  ?
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3
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If  and A is in Quadrant I, what is the
value of  ?
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4
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5
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If  and  terminates in Quadrant IV,
 equals
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6
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If  and  is negative, the value of
 is
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7
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8
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If x is a positive acute angle and , what
is the exact value of ?
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9
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If  and angle x lies in the second
quadrant , what is the value of ?
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