20 formulas Flashcards
1
Q
cos= adj / hyp
A
.
2
Q
tan= opp/adj
A
.
3
Q
csc= hyp/opp
A
.
4
Q
sec= hyp/adj
A
.
5
Q
cot= adj/opp
A
.
6
Q
sin= 1/ csc
A
.
7
Q
cos= 1/sec
A
.
8
Q
tan= 1/cot
A
.
9
Q
csc= 1/sin
A
.
10
Q
sec= 1/cos
A
.
11
Q
cot= 1/tan
A
.
12
Q
tan= sin
—
cos
A
.
13
Q
cot= cos
—-
sin
A
.
14
Q
sin^2 + cos^2 = 1
A
.
15
Q
1+tan^2=sec^2
A
.
16
Q
1 + cot^2 = csc^2
A
.
17
Q
a^2 + b^2 = c^2
A
.
18
Q
x = -b +- square root of b^2 - 4ac
——————————
2a
A
.
19
Q
pi = 180
A
circle radian
20
Q
sin= opp
—-
hyp
A
.
