Trigonometry
How do you calculate an angle in radians?
R/s
θ/r
θ/s
S/θ
What is important to do before finding an angle?
ID Quadrant
Grab a pencil??
Know what theta is
Nothing
How do you convert from degrees to radians?
Radian/360°
Radian/2π
How do you convert from radians to degrees?
Degrees/360°
Degrees/2π
What does it mean for angles to be coterminal?
2 angles end in opposite places
2 angles that are in love
2 angles that are equivalent
3 angles
What does it mean for two angles to be complementary?
The angles are sweet to one another...DUH
The angles add up to 90°
The angles add up to 180°
The angles add up to 360°
What does DMS mean?
Divide Multiply Subtract
A private messaging area on the gram :)
Degree Minute Second
Don't Make Strawberries
What is the radius of the unit circle and the equation that corresponds to it?
x2+y2 = ?
The radius is 180; = 180
The radius is 360; = 360
The radius is 1; = 1
The radius is π; = π
What order do the trigonometric functions go in when it comes to coordinates?
(cos, sin)
(tan, sin)
(sin, cos)
(csc, sec)
What side should you start with for trig identities?
Right
Left
What is amplitude?
Horizontal stretch
The volume of something
Vertical stretch
Diagonal stretch
How do you find the period for a sin or cos function?
y = a•sin(bx) or y = a•cos(bx)
2π/b
2a
B/4
A/b
Which graph has an amplitude of 4?
0%
0
0%
0
0%
0
0%
0
What comes first when graphing sin or cos functions? (more than one answer)
Reflections
Shifts
Amplitude
Period
IDK MAN
How do you find the period for tan?
π/b
π/|b|
|b|/π
B/π
What does arc indicate?
A circle
An arch doii
The inverse of a function
An angle
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