f) Trigonometry review: Some additional identites Flashcards
1
Q
Tangent in terms of sine and cosine
A
2
Q
Pythagorean Identity
sin2 x* *+ cos2 x =
A
1
3
Q
Pythagorean Identity
tan2 x + 1 =
A
sec2 x
4
Q
Pythagorean Identity
cot2 x + 1 =
A
csc2 x
5
Q
Even or Odd?
sin (-x) =
A
- sin x (odd)
6
Q
Even or Odd?
cos (-x) =
A
cos x (even)
7
Q
Even or Odd?
tan (-x) =
A
- tan x (odd)
