1/10
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
sin²(x) =
(1 - cos(2x)) /2
cos²(x) =
(1 + cos(2x)) / 2
Pythagorean identity
The Pythagorean identity states that for any angle x, sin²(x) + cos²(x) = 1.
Pythagorean identity, sin²(x) =
1 - cos²(x)
Pythagorean identity, cos²(x)
1 - sin²(x)
tan(theta) =
sqrt(u²+a²)
sin(theta)
sqrt(a²-u²)
sec(theta)
sqrt(u²-a²)
sin socatoah
opp/adj
cos socatoah
adj/hyp
socatoah tan
opp/adj