Exam 2 Flashcards
1
Q
Quotient ID tangent
A
Tan= sin/ cos
2
Q
Quotient Id cot
A
Cot= cos/sin
3
Q
Pythagorean ID 1
A
Cos^2 + sin^2 =1
4
Q
Pythagorean ID #2
A
1+ tan^2 = sec^2
5
Q
Pythagorean ID 3
A
1+ cot^2 = csc^2
6
Q
Sin = What
A
Y
7
Q
Cos= what
A
X
8
Q
Tan = what
A
Y/x
9
Q
Csc =what
A
1/y
10
Q
Sec= what
A
1/x
11
Q
Cot = what
A
X/y
12
Q
Double angle sin 2Ø
A
Sin 2Ø= 2sinØcosØ
13
Q
Double angle formula cos2Ø #1
A
Cos^2 Ø - sin^2 Ø
14
Q
Double angle formula cos2Ø #2
A
2cos^2 Ø -1
15
Q
Double angle cos2Ø #3
A
1-2sin^2 Ø
16
Q
Double angle tan2Ø
A
2tanØ/ 1- tan^2 Ø
17
Q
Power reducing sin ^2 Ø
A
1-cos2Ø/2
18
Q
Power reducing cos^2Ø
A
1+cos2Ø/2
19
Q
Power reducing tan^2 Ø
A
1-cos2Ø/ 1+ cos2Ø
