trigonometric identities Flashcards
1
Q
sin^2(A) + cos^2(A) =
A
1
2
Q
1 + cot^2(A)
A
cosec^2(A)
3
Q
tan^2(A) + 1
A
sec^2(A)
4
Q
tan A
A
sin A/ cos A
5
Q
cot A
A
1/ tan A
cos A/ sin A
6
Q
cosec A
A
1/ sin A
7
Q
sec A
A
1/ cos A
