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2 articles trouvés pour ce sujet.
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sinA + cosA = 1 |
2009-11-06 |
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Nazrul pose la question :
What is the solution of sinA+cosA=1 where A is an acute angle? Will A=0 degree be included in the solution? Please explain.
Harley Weston lui répond. |
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Is -100 degree angle an acute angle? |
2009-09-02 |
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Nazrul pose la question :
Is -100 degree angle an acute angle? Please explain. Here -100<90.
Robert Dawson lui répond. |
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