OAE Math Flashcards
1
Q
Conjugate of a+bi
A
a-bi
2
Q
Find inverse of function
A
Switch x and y
3
Q
Lateral surface area of a cone
A
(pi)(r)(slant height)
4
Q
Congruent triangles
A
Same angles and side lengths
5
Q
Congruent lines
A
Same length
6
Q
Amplitude
A
(max - min) / 2
7
Q
Law of Cosines
A
c^2 = a^2 + b^2 - (2ab)cos[c]
8
Q
Integral from a to b of f(x)
A
Negative integral from b to a of f(x)
9
Q
tan(@)
A
sin(@)/cos(@)
10
Q
cot(@)
A
1/tan(@)
11
Q
sec(@)
A
1/cos(@)
12
Q
csc(@)
A
1/sin(@)
13
Q
sin^(2) + cos^(2)
A
1
14
Q
sec^(2)
A
1 + tan^(2)
15
Q
Ln(xy)
A
Ln(x) + Ln(y)
16
Q
Ln(x^y)
A
yLn(x)
17
Q
Circle formula: Center (h,k) and radius r
A
(x-h)^2 + (y-k)^2 = r^2
18
Q
Law of Sines
A
a/sin(A) = b/sin(B)
19
Q
Sin(A-B)
A
Sin(A)xCos(B) - Cos(A)xSin(B)
20
Q
Harmonic function
A
f(x) = (A)Sin(Bx), A=amplitude,2pi/B=period
