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Maths, Addmaths and Statistics: Post your doubts here!

Asad.Babur

Asad.Babur

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FLRNAB said:
Also there is frequency polygons in the maths syllabus. Is there any question about frequency polygons in the past papers?


Yeah that's correct.
Click to expand...
Yes, I believe Frequency Polygons, and Curve are a MUST! BTW, I have done them in stats already, so no need here! ;)
 
FLRNAB

FLRNAB

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Asad.Babur said:
The EASY they are, I prefer to be on safer site :p
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Well anyway I have another query. I know how to find angle of rotation but it can go both ways clockwise and anti-clockwise like 270 degree anticlockwise rotation is equal to -90 degree clockwise rotation. How do we choose which one to write in the answer?
 
Asad.Babur

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FLRNAB said:
Well anyway I have another query. I know how to find angle of rotation but it can go both ways clockwise and anti-clockwise like 270 degree anticlockwise rotation is equal to -90 degree clockwise rotation. How do we choose which one to write in the answer?
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***amd***, I guess the one which shows least rotations, but amd can answer more greatly! ;)
 
FLRNAB

FLRNAB

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Asad.Babur said:
***amd***, I guess the one which shows least rotations, but amd can answer more greatly! ;)
Click to expand...

According to my guess it should be the one which shows shortest distance between A and A`. i.e 90 cw
Such as:
graph_60.gif


Although can be Clock-Wise rotation of 90 and anticlockwise rotation of 270.
Also in my math book it says clockwise is negative degree rotation but I don't think we write -90 or a negative before degree. At least I haven't seen that in the marking schemes. What are your thoughts guys?
 
Asad.Babur

Asad.Babur

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FLRNAB said:
According to my guess it should be the one which shows shortest distance between A and A`. i.e 90 cw
Such as:
graph_60.gif


Although can be Clock-Wise rotation of 90 and anticlockwise rotation of 270.
Also in my math book it says clockwise is negative degree rotation but I don't think we write -90 or a negative before degree. At least I haven't seen that in the marking schemes. What are your thoughts guys?
Click to expand...
Same as YoU! Cause that makes much sense, however, I believe they would tell you calculate Counter or Clock-Wise ! Check PastPapers
 
A

Awesome12

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FLRNAB said:
According to my guess it should be the one which shows shortest distance between A and A`. i.e 90 cw
Such as:
graph_60.gif


Although can be Clock-Wise rotation of 90 and anticlockwise rotation of 270.
Also in my math book it says clockwise is negative degree rotation but I don't think we write -90 or a negative before degree. At least I haven't seen that in the marking schemes. What are your thoughts guys?
Click to expand...
This is a clockwise transformation. Imagine the fig. in relation to your clock
 
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A

***amd***

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FLRNAB said:
According to my guess it should be the one which shows shortest distance between A and A`. i.e 90 cw
Such as:
graph_60.gif


Although can be Clock-Wise rotation of 90 and anticlockwise rotation of 270.
Also in my math book it says clockwise is negative degree rotation but I don't think we write -90 or a negative before degree. At least I haven't seen that in the marking schemes. What are your thoughts guys?
Click to expand...
youll simply write "90 degrees clockwise" or "270 degrees anti-clockwise", that'll do enough.
 
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