Trigonometric Formulas Flashcards
1
Q
What is the formula to calculate the area of a triangle using sin?
A
2
Q
What is equivalent to sin (A + B)?
A
3
Q
Cos (A + B)
A
4
Q
Tan (A + B)
A
5
Q
Sin (A - B)
A
6
Q
Cos (A - B)
A
7
Q
Tan (A - B)
A
8
Q
Law of Sines
A
9
Q
Law of Cosines
A
10
Q
Sin (2A)
A
11
Q
Cos (2A)
A
12
Q
Tan (2A)
A
13
Q
Sin (½ • A)
A
14
Q
Cos (½ • A)
A
15
Q
Tan (½ • A)
A
16
Q
What is the formula to find any term in an arithmetic sequence?
A
where:
d = the common difference
n = the number of the term to find
17
Q
What is the formula to find the sum of a certain number of terms in an arithmetic sequence?
A
where:
n = the number of terms
18
Q
What is the formula to find any term in a Geometric Sequence?
A
where:
r = is the common ratio
n = the number of the term to find
19
Q
What is the formula to find the sum of a certain number of terms in a geometric sequence?
A
where:
r = the common ratio
n = the number of terms
