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Old 09-05-2007   #1
Chad L
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Default Trigonometry- inverse trigonometric functions HELP!?

someone please help me solve these problems!1.) Arctan( - root 3 over 3)2.) sin ( sin -1 3/8)by -1 i mean the little inverse signinstead of just giving answers, could you explain how to get the answer???thanks.
 
 

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