The pipe fitters blue book question help me understand the trig tables in the back

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im about to be in the pipe fitting portion of my college i got my pipe fitter blue book yesterday and its making my brain hurt .on pg 130 -174 are your trig tables for figuring out your angles and dangles .it says for 45* and under read the table from top to bottom for anything over 45* read from bottom to top . lets take pg 133 at the top of the pg it says 3* at the bottom it says 86* . for 3* do i read from 0-60 left to right ? and for 86* do i read it from 60 to 0 right to left bottom to top ?Quote Originally Posted by vwguy3  View PostHave you ever seen a cow that was welding overhead burst into flames my certs as of 1/29/14SMAW3G plate 2,4,6, 6Ghard wire and flux core 3GGTAW2,4,6 6G3G plate SS sch 80 6G
Reply:I have no idea what is that ''Blue Book'' but why don't you learn how to calculate trig with a calculator and SIN COS TAN ???Anyway, even i you find out how to figure the formulas in your books, you will probably not use this book in the field!Calculator > Bevel Square
Reply:Oscar Had A Heap Of Apples...or...http://www.carbidedepot.com/formulas-trigright.asp