Question: = R ( 1 - c o s 2 ) E = R ( 1 c o s 2 - 1 ) Prove these two

=R(1-cos2)
E=R(1cos2-1)
Prove these two equations in tne context of a horizontal curve with drawings
= R ( 1 - c o s 2 ) E = R ( 1 c o s 2 - 1 ) Prove

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