Monday, April 26, 2010

Trig Stuff

SOHCAHTOA:
Sin=opp/hyp
Cos=adj/hyp
Tan=opp/adj

Trig functions:
sin = y/r
cos = x/r
tan = y/x
csc = r/y
sec = r/x
cot = x/y

Law of sines:
(sinA)/a = (sinB)/b = (sinC)/c

Law of cosines:
(opposite leg)^2 = (adjacent leg)^2 + (other adjacent leg)^2 -2(adjacent leg)(adjacent leg)cos(angle between)

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