Test 2 Formulas Flashcards
1
Q
Cos X = A
Solve for A
Solve for -1
Solve for 0
Solve for 1
A
+ or - arccos A + 2piN
Pi + 2piN
Pi/2 + piN
2piN
2
Q
Tanx = A
Solve for A
Solve for -1
Solve for 0
Solve for 1
A
Arctan A + piN
-pi/4 + piN
piN
Pi/4 +piN
3
Q
Cotx = A
Solve for A
Solve for -1
Solve for 0
Solve for 1
A
Arccot A + piN
3pi/4 + piN
Pi/2 + piN
pi/4 + piN
4
Q
Calculating work
A
W=llFllxllDllxcos
5
Q
Vector projection formula
A
Proj wV = v x w / llwll^2
6
Q
Double angle tan
A
Tan (2A) = 2tanA/1-tan^2A
Or
Sin 2A/Cos 2A
7
Q
Sinx = A
Solve for A
Solve for -1
Solve for 0
Solve for 1
A
Arcsin A + 2piN and pi-Arcsin A + 2piN
-pi/2 + 2piN
PiN
Pi/2 + 2piN
