3 If A is an acute angle and sin A =, then what is the value of cos A? A. л IN 2 5 B. 5 5 C. а | л 3 V2 D. 5

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3 If A is an acute angle and sin A =, then what is the value of cos A? A. л IN 2 5 B. 5 5 C. а | л 3 V2 D. 5

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3 If A is an acute angle and sin A =, then what is the value of cos A? A. л IN 2 5 B. 5 5 C. а | л 3 V2 D. 5
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