Unit 1
What is a removable discontinuity?
A hole in the graph sometimes a point being removed from what that hole.
What does Composition of Functions mean?
When one function is substitute as the input inside of another.
What is a hypotenuse?
The longest side of the right triangle .
Indicate where these angle will end up on the circle by reducing them.
A= 930 degrees
210 degrees
According to your Unit Circle, in which quadrant is a cosine and sine always negative?
Quadrant 3
Give a description of an Even and Odd function.
Even: symmetric= y-axis (acts like a mirror)
Odd: when flipped upside down the graph looks the same
f(x)= x + 2 and g(x) =1/2
Solve For
f(g(2))
2.5
Solve for x
x=32cos(41)
x = 24.2
What is a reference angle?
The acute positive angle between the terminal side of the rational angle and the x-axis.
Finding the Quotient Identity
csc(x)tan(x)cos(x)/sin(x)
csc(x)
Simplify (2a3b2)(3ab4)3
54a6b14
Find the Inverse for the following function.
3x+15=y
Use the Law of Cosine to solve for the missing angle (C) .
a=9b=5
c=8
62.2degrees
Find the reference angle for 315 degrees.
45 degrees
Factor the difference of 2 squares for trigonometric equations.
25csc2 -4= 0
(5csc+2)(5csc-2)