Math flowers Flashcards
1
Q
2 petals
A
r2=a2sin2*
a is length of it
2
Q
2 petals sin
A
diagonal
3
Q
2 petals cos
A
straight across
4
Q
sin2A
A
2sinAcosA
5
Q
cos2A
A
cos^A - sin^A
1-2sin^A
2cos^A-1
6
Q
rose courves
A
of petals- odd: n, even: times two
r=asin(n)*
a-length
first petal: substitute a for r. 360/#ofpetals
7
Q
spirals
A
plug in angle
r=n*
8
Q
a <1
A
inner loop
9
Q
a = 1
b
A
heart
10
Q
1
A
dimple
11
Q
a >_ 2
b
A
circle w/ flat surface
12
Q
a+b
A
high point
13
Q
a
A
stretch
14
Q
a-b
A
negative: closer to high point
positive: further away from origin
15
Q
convert polar to rectangle
A
x=rcos*
y= rsin*
y/x= tan*
r^=x^ + y^