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12 Cards in this Set

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  • Back
area of a triangle if have 2 sides and included angle
K=(1/2)ab sinC
the one with csc
1 plus cot2X=csc2X
the one with sec
1 plus tan2X is sec2X
the one with sin
sin2X plus cos2X is 1
the one with cos
sin2X plus cos2X is one
the one with tan
1 plus tan2X is sec2X
the one with sec
1 plus tan2X is sec2X
the one with cot
1 plus cot2X=csc2X
the one with tan and 90
tanX=cot(90-X)
the one with sec and 90
secX=csc(90-X)
law of sines
sinA/a=sinB/b=sinC/c
law of cosines
c2=a2+b2-2ab cosC