Trig test 2
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Reverse it!!
Verify Tan(A+B)=
TanA+TanB/1-TanATanB
To find midpoint
To find midpoint, you will have to add the two numbers qnd than times by 1/2
Y=cosX
When using cos, the lopes start on every quarter instead of skipping them, so start in the high numbers on time first