Vocabulary
What does the A value mean in a trig equation?
Amplitude
What is the first thing to do when solving the following
sin(42)
Check to make sure the calculator is in degrees
What is the period of the following equation
y=cos(Ɵ/6-pi/2)
12pi
What are the 4 types of transformations of shapes? Name 3 for the points name the 4th for an extra 100
Translation, Reflection, Rotation, Dilation
What are the six trig functions?
Sin, cos, tan, csc, sec, cot
Convert 7pi/9 to degrees
140
What is the phase shift(s) of the following equation
y=cos(Ɵ/6-pi/3)
Right 2pi, vertical stretch
What is the y-intercept of the following exponential function?
f(x) = 34(4)x
34
How does the c value work using the trig equation?
If you have negative you move right. negative means move left
The trigonometric functions that correspond to the (x, y) of an ordered pair.
What are cos-x and sin-y
What is the transformations of the following equation
y=3sin(Ɵ/2+3pi/4)
Vertical Stretch, shift left 3pi/2
What is the sqrt(-1) the same thing as?
i
What is the pattern for finding the coordinates on a unit circle?
1,2,3 3,2,1 sqrt over everything and everything over 2
What quadrant if: CosƟ > 0 and TanƟ < 0
IV
Write the equations using the following sine equation
Amplitude = 4, period=2pi, shift right pi/4
y=4sin(Ɵ-pi/4)
What are the nine most common parent functions?
constant, linear, quadratic, absolute value, cubic, square root, exponential, logarithmic, reciprocal
What is the equation to solve using law of sines?
SinA/a=SinB/b=SinC/c
What is a positive and negative coterminal angle and the reference angle to the following measurement
672
Coterminal is 312 and -48
reference angle - 48
Write the equations using the following sine equation
Reflection over x-axis, Amplitude = 2, period=pi, shift left pi/2, shift down 3
y=-2cos(2Ɵ+pi)-3
Find the missing terms in
the geometric sequence
4, __, 9, __, __
6 , 13.5 , 20.25