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January 28, 2015

January 28, 2015

Posted by **elizabeth** on Sunday, May 8, 2011 at 10:30am.

Enter the answer, rounded to 4 significant figures in the box below.

the answer should be a number.

???

- maths -
**Reiny**, Sunday, May 8, 2011 at 10:48amthe gradient or slope of a line is the same as the tangent of the angle of inclination

so on your calculator take tan 75°

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