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19 Cards in this Set
 Front
 Back
tan^2(x)+1=

sec^2(x)


1+cot^2(x)=

csc^2(x)


sin(x)=

sin(x)
ODD function 

cos(x)=

cos(x)
EVEN function 

tan(x)=

tan(x)
ODD function 

sin(x)=

cos(90x)


cos(x)=

sin(90x)


sin(a+b)=

sin(a)cos(b)+cos(a)sin(b)


cos(a+b)=

cos(a)cos(b)sin(a)sin(b)


tan(a+b)=

tan(a)+tan(b)/1tan(a)tan(b)


sin(ab)=

sin(a)cos(b)cos(a)sin(b)


cos(ab)=

cos(a)cos(b)+sin(a)sin(b)


tan(ab)=

tan(a)tan(b)/1+tan(a)tan(b)


sin(2x)=

2sin(x)cos(x)


cos(2x)=

cos^2(x)sin^2(x)
2cos^2(x)1 12sin^2(x) 

tan(2x)=

2tan(x)/1tan^2(x)


sin(x/2)=

pos/neg sq rt of
1cos(x)/2 

cos(x/2)=

pos/neg sq rt of
1+cos(x)/2 

tan(x/2)=

pos/neg sq rt of
1cos(x)/1+cos(x) 