Trig Identities (exclusive) Flashcards
1
Q
What can sin θ = ?
(First gen)
A
tan θ x cos θ
2
Q
What can cos θ = ?
(First gen)
A
sin θ/tan θ
3
Q
What can tan θ = ?
(First gen)
A
sin θ/cos θ
4
Q
What does Sin2θ + Cos2θ ≡ ?
(First gen)
A
… 1
5
Q
What can sec θ = ?
(Second gen)
A
1/cos θ
6
Q
What can cosec θ = ?
(Second gen)
A
1/sin θ
7
Q
What can cot θ = ?
(Second gen)
A
1/tan θ
8
Q
What can cot θ ALSO = ?
(Second gen)
A
cos θ/sin θ
9
Q
What does tan2θ + 1 ≡ ?
(Second gen)
A
sec2θ
10
Q
What does 1 + cot2θ ≡ ?
(Second gen)
A
cosec2θ