All of the used hardcover books at a yard sale are the same price. Hugo paid 4.50 for 6 books.
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The better way is, first we have to find the equivalent in degrees
now we can change this value to
how do we get an angle like this?!
then
now we replace this values
now we can change this value to
how do we get an angle like this?!
then
now we replace this values