Trig Identities
sin2 + cos2 = ?
What is 1?
Factor completely:
3x5 - 300x3
What is 3x3 (x+10)(x-10)?
The quadrant that only sin and csc are positive
What is quadrant 2?
Find the common ratio:
2,8,32,128
What is 4?
End behavior is defined as...
What is the behavior of the graph as x approaches positive infinity or as x approaches negative infinity?
tan2 + 1= ?
What is sec2 ?
Factor completely:
x3 + 64
What is (x+4)(x2 - 4x + 16)?
-1 is the cos of this degree
What is 180?
Arithmetic or Geometric Sequence?
6, -30, 150, -750
What is Geometric?
A zero/root on a graph is this
What is an x intercept?
1 + cot2 = ?
What is csc2 ?
Factor Completely(grouping):
x2 (x-4)+3(x-4)
What is (x-4)(x2+3)?
Sec is positive in quadrant 4, so ____ is also positive in quadrant 4
What is cos?
Write an explicit rule for the nth term:
a1 = 10; r= 1/2
What is an =10(1/2)n-1 ?
If the degree of a polynomial is even and positive the end behavior point this direction
What is up and up?
Simplify to a single trig ratio:
(csc(x)sin(x))/(cos(x))
What is sec(x)?
Factor Completely (grouping):
(x3 -2x2) + (6x-12)
What is (x-2)(x2+6)?
Cos of 300 degrees is ______
What is 1/2?
Write and explicit rule for the nth term:
1, -4, 16, -64
What is an = (1)(-4)n-1 ?
If the degree of a polynomial is odd and negative, its end behaviors point in this direction.
What is 1 up and 1 down
Simplify to a single trig ratio:
sin(x)csc(x)cot(x)
What is cot(x)?
Factor Completely(grouping):
(4x3 + 8x2) (-9x-18)
What is (x+2) (2x+3)(2x-3)?
____ degrees has a cos=0 and sin=1
What is 90?
Write an explicit rule for the nth term:
6, -30, 150, -750
What is an = (6)(-5)n-1?
If the degree of a polynomial is even and negative then the end behaviors point in these directions
What is down and down?