Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
|
sec
|
1 / cos
|
|
|
csc
|
1 / sin
|
|
|
cos
|
1 / sec ; x
|
|
|
sin
|
1 / csc ; y
|
|
|
tan
|
sin / cos
|
|
|
cot
|
cos / sin
|
|
|
Sin squared θ + cos squared θ
|
1
|
|
|
tan squared θ + 1
|
sec squared θ
|
|
|
1 + cot squared θ
|
csc squared θ
|
|
|
sin (θ + B)
|
sinθcosB + cosθsinB
|
|
|
sin (θ - B)
|
sinθcosB - cosθsinB
|
|
|
cos (θ + B)
|
cosθcosB - sinθsinB
|
|
|
cos (θ - B)
|
cosθcosB + sinθsinB
|
|
|
sin (2θ)
|
2sinθcosθ
|
|
|
cos (2θ)
|
cos squared θ - sin squared θ
|
|
|
cos (2θ)
|
1 - 2sin squared θ
|
|
|
cos (2θ)
|
2cos squared θ - 1
|
|
|
sin (θ/2)
|
+ or - square root of (1 -cosθ / 2)
|
|
|
cos (θ/2)
|
+ or - square root of (1 + cos θ / 2)
|
|
|
arithmetic sequence
|
a1 + d(n-1)
|
|
|
arithmetic series
|
((a1 + an)n) / 2
|
|
|
geometric sequence
|
a1 x r ^ n-1
|
|
|
geometric series
|
a1 - (a1 x r^n) / 1 - r
|
|
|
law of sines
|
find smallest angle
|
|
|
law of cosines
|
find biggest angle
|
|
|
SSA / ASS
|
2 solutions check !
|
|
|
log b of mn =
|
log b of m + log b of n
|
|
|
log b of m/n =
|
log b of m - log b of n
|
|
|
inverse of function
|
substitute y for x or x for y
|
|
|
continuously compounded interest
|
a = pe ^ rt
p = starting amount r = rate t = time |
|
|
scientific
|
y = ne ^ kt
|
|
|
appreciation / depreciation
|
V = p(1 +r) ^ n
p = starting amount r = rate of growth / decay n = time |
