Studied by 107 peoplecos(A-B)
cosAcosB+sinAsinB
cos(A+B)
cosAcosB-sinAsinB
sin(A-B)
sinAcosB-cosAsinB
sin(A+B)
sinAcosB+cosAsinB
tan(A+B)
tanA+tanB
1-tanAtanB
tan(A-B)
tanA-tanB
1+tanAtanB
cos²A+sin²A
1
1+cot²A
csc²A
1+tan²A
sec²A
cos(2A)*
cos²A-sin²A, 1-2sin²A, 2cos²-1
sin(2A)*
2sinAcosA
tan(2A)*
2tanA
1-tan²A
cos(-x)
cos(x)
sec(-x)
sec(x)
sin(-x)
-sin(x)
csc(-x)
-csc(x)
tan(-x)
-tan(x)
cot(-x)
-cot(x)
sin(U/2)*
±sqrt(1-cosU/2)
cos(U/2)*
±sqrt(1+cosU/2)
tan(U/2)*
sinU/1+cosU
Note
Flashcard