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2 articles trouvés pour ce sujet.
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A trig problem |
2014-04-25 |
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srishti pose la question :
Consider the points P= (-sin(a-b),-cosa), Q=(cos(a-b),sina), R=(cos(a-b+c),sin(a-c), where 0
Chris Fisher lui répond. |
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What is the angle between 2 non-collinear parallel lines? |
2005-10-17 |
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Ben pose la question :
What is the angle (if any) between 2 non-collinear parallel lines?
Chris Fisher and Walter Whiteley lui répond. |
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