Exam 1 Flashcards
1
Q
Express the area,A, of a circle as a function of its radius,r.
A
A(r) = pi r ^2
2
Q
Express the area,A, of a circle as a function of its circumference, C.
A
A(C) = C^2/4pi
3
Q
Express the area of a square, A, as a function of the length of one side, x.
A
A(x) = x^2
4
Q
Express the area of the square, A, as a function of its perimeter, P.
A
A(P) = P^2/16
5
Q
Sin 30° = pi/6
A
1/2
6
Q
Cos 30° = pi/6
A
Radical 3 /2
7
Q
Tan 30° = pi/6
A
Radical 3/ 3
8
Q
Sin 45° = pi/4
A
Radical 2/ 2
9
Q
Cos 45° = pi/4
A
Radical 2/ 2
10
Q
Tan 45° = pi/4
A
1
11
Q
Sin 60° = pi/3
A
Radical 3/ 2
12
Q
Cos 60° = pi/3
A
1/2
13
Q
Tan 60° = pi/3
A
Radical 3
14
Q
Sin 0
A
0
15
Q
Cos 0
A
1
