6 articles trouvés pour ce sujet.
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[sec^2x]*[sec^2x] |
2010-12-16 |
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Hari pose la question :
[sec^2x]*[sec^2x]=...?
Penny Nom lui répond. |
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A circle problem |
2009-12-14 |
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Fawad pose la question :
AP is a tangent at P to a circle centre O, where AP=6cm. The straight line AQC is such that QC= 9cm.
Find the length, in cm of AQ.
Chris Fisher lui répond. |
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A point inside a circle |
2007-05-04 |
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edgemitter pose la question :
There is a point inside a circle (but not in its center) where two perpendicular secants intersect, dividing the circle into four regions with different area. Calculate the area of the four regions
Walter Whiteley lui répond. |
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What is the value of csc (-2pi/3)? |
2006-06-04 |
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Kishor pose la question :
What is the value of csc (-2pi/3)?
Stephen La Rocque lui répond. |
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A tangent to a parabola |
2005-11-02 |
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A student pose la question :
Find the point on the curve y=x2 where the tangent to the curve is parallel to the secant line connecting (-1,1) and (2,4)
Penny Nom lui répond. |
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A trig identity |
2001-07-27 |
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Jeff pose la question :
prove this identity and show steps
tan(x/2+pi/4)=secx+tanx
Harley Weston lui répond. |
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