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PHYSICS TRIG PAGE

FOR RIGHT TRIANGLES:

c ²  =  a ² +  b ²

sin q =  opposite / hypotenuse

OR     sin q  =  a / c

cos q  =  adjacent / hypotenuse

OR     cos q  =  b / c

tan q  =  opposite / adjacent

OR     tan q  =  a / b

FOR NON-RIGHT TRIANGLES:

c ²  =  a ² +  b ² -  2 a b cos q

UNIT CIRCLE:

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