Ratios of acute angles

IloveManUtd

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Jul 27, 2010
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How do I express tan (-7?/4) in terms of ratios of acute angles? Is (-7?/4) equivalent to -315[sup:2cp4qity]o[/sup:2cp4qity]?
 
IloveManUtd said:
How do I express tan(-7?/4) in terms of ratios of acute angles? Ratios of acute angles? Like 48°/88° ?

Seriously, I hope they mean the ratio sin(x)/cos(x), where x is an acute angle.

If so, then use the reference angle for -7?/4. After all, it's in Quadrant I, so x is acute.


Is -7?/4 equivalent to -315[sup:x8xtb95m]o[/sup:x8xtb95m]? Yes
 
IloveManUtd said:
How do I express tan (-7?/4) in terms of ratios of acute angles? Is (-7?/4) equivalent to -315[sup:3iwzz3m7]o[/sup:3iwzz3m7]?
Hey buddy, are you learning on your own or attending math classes?
 
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