Reciprocal Identities ( R.I. ) Flashcards
1
Q
csc (θ) =
A
1 / sin θ
2
Q
sec θ =
A
1 / cos θ
3
Q
cot θ =
A
1 / tan θ
Calc 2: Trig Identities > Reciprocal Identities ( R.I. ) > Flashcards
csc (θ) =
1 / sin θ
sec θ =
1 / cos θ
cot θ =
1 / tan θ