- Shuffle
Toggle OnToggle Off
- Alphabetize
Toggle OnToggle Off
- Front First
Toggle OnToggle Off
- Both Sides
Toggle OnToggle Off
Front
How to study your flashcards.
Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key
Up/Down arrow keys: Flip the card between the front and back.down keyup key
H key: Show hint (3rd side).h key
PLAY BUTTON
PLAY BUTTON
33 Cards in this Set
- Front
- Back
|
Signs for X (Cosine) and Y (Sine) in Quadrant 1 (0-90 degrees)
|
Q1 = X+, Y+
|
|
Signs for X (Cosine) and Y (Sine) in Quadrant 2 (91-180 degrees)
|
Q2 = X-, Y+
|
|
Signs for X (Cosine) and Y (Sine) in Quadrant 3 (181-270 degrees)
|
Q3 = X-, Y-
|
|
Signs for X (Cosine) and Y (Sine) in Quadrant 4 (271-360 degrees)
|
Q4 = X+, Y-
|
|
Radian equivalent to 360 degrees
|
2 pi radians = 360 degrees
|
|
Cosine identity for Sine
|
cos(angle) = sin (angle + pi/2)
|
|
Sine identity for Cosine
|
sin(angle) = cos (angle - pi/2)
|
|
Cosine identity for Cosine
Cos (-angle) = |
cos(-angle) = cos (angle)
|
|
Sine identity for Sine
Sin(-angle)= |
sin(-angle) = -sin (angle)
|
|
Sine identity for Sine - Reference angle
|
sin(angle) = sin (pi - angle)
|
|
Cosine definition
|
cos(angle) = x/r, adjacent/hypotenuse
|
|
Sine definition
|
sin(angle) = y/r, opposite/hypotenuse
|
|
Tangent defintion
|
tan(angle) = y/x, sin(angle)/cos(angle), opposite/adjacent
|
|
Secant definition
|
sec(angle) = 1/cos(angle) = hypotenuse/adjacent = r/x
|
|
Cosecant defintion
|
csc(angle) = 1/sin(angle) = hypotenuse/opposite = r/y
|
|
Cotangent definition
|
cot(angle) = 1/tan(angle) = adjacent/opposite = x/y
|
|
Sinusoidal function format
|
y = A sin (B(t-h)) + k
|
|
Cosine, Sine for 0 degrees:0 radians
|
Cos (0 degrees) = 1, Sin (0 degrees)=0
|
|
Cosine, Sine for 30 degrees:pi/6 radians
|
Cos (30 degrees) = sqrt(3)/2, Sin (30 degrees) = 1/2
|
|
Cosine, Sine for 45 degrees:pi/4 radians
|
Cos (45 degrees) = sqrt(2)/2, Sin (45 degrees) = sqrt(2)/2
|
|
Cosine, Sine for 60 degrees:pi/3 radians
|
Cos (60 degrees) = 1/2, Sin (60 degrees) = sqrt(3)/2
|
|
Cosine, Sine for 90 degrees:pi/2 radians
|
Cos (90 degrees) = 0, Sin (90 degrees) = 1
|
|
Cosine, Sine for 120 degrees:2pi/3 radians
|
Cos (120 degrees) = -1/2, Sin (120 degrees) = sqrt(3)/2
|
|
Cosine, Sine for 135 degrees:3pi/4 radians
|
Cos (135 degrees) = -sqrt(2)/2, Sin (135 degrees) = sqrt(2)/2
|
|
Cosine, Sine for 150 degrees:5pi/6 radians
|
Cos (150 degrees) = -sqrt(3)/2, Sin (150 degrees) = 1/2
|
|
Cosine, Sine for 180 degrees:pi radians
|
Cos (180 degrees) = -1, Sin (180 degrees) = 0
|
|
Cosine, Sine for 210 degrees:7pi/6 radians
|
Cos (210 degrees) = -sqrt(3)/2, Sin (210 degrees) = -1/2
|
|
Cosine, Sine for 225 degrees:5pi/4 radians
|
Cos (225 degrees) = -sqrt(2)/2, Sin (225 degrees) = -sqrt(2)/2
|
|
Cosine, Sine for 240 degrees:4pi/3 radians
|
Cos (240 degrees) = -1/2, Sin (240 degrees) = -sqrt(3)/2
|
|
Cosine, Sine for 270 degrees:3pi/2 radians
|
Cos (270 degrees) = 0, Sin (270 degrees) = -1
|
|
Cosine, Sine for 300 degrees:5pi/3 radians
|
Cos (300 degrees) = 1/2, Sin (300 degrees) = -sqrt(3)/2
|
|
Cosine, Sine for 315 degrees:7pi/4 radians
|
Cos (315 degrees) = sqrt(2)/2, Sin (315 degrees) = -sqrt(2)/2
|
|
Cosine, Sine for 330 degrees:11pi/6 radians
|
Cos (330 degrees) = sqrt(3)/2, Sin (330 degrees) = -1/2
|
