Test 4 Flashcards
1
Q
Periodic Compound Interest Formula
A
A=P(1+r/n)^nt
2
Q
Continuous Compound Interest Formula
A
A=Pe^rt
3
Q
Exponential Growth or Decay
A
P(t)=P(0)e^kt
4
Q
Radians to degree
A
multiply radians by 180/pi
5
Q
Degree to radians
A
multiply degrees by pi/180
6
Q
Area of a Sector of a Circle
A
Area=1/2 * (radians) * (radius)^2
7
Q
Arc Length of a Sector of a Circle
A
arc length= (radius) * (radians)
8
Q
The pi/4, pi/4, pi/2 Right Triangle
A
legs equal a or 1 and hypotenuse equal (root)2 or (root)2a
9
Q
The pi/6, pi/3, pi/2 (30, 60, 90) Right Triangle
A
the length of the hypotenuse is 2 or 2a. The length of the leg opposite pi/3 is (root)3 or (root)3a. the leg opposite of pi/6 is 1 or a.
10
Q
sin pi/6 (30)
A
1/2
11
Q
cos pi/6 (30)
A
(root)3/2
12
Q
tan pi/6 (30)
A
1/(root)3
13
Q
sin pi/4 (90)
A
1/(root)2
14
Q
cos pi/4 (90)
A
1/(root)2
15
Q
tan pi/4 (90)
A
1
