Unit Circle
What is the degree of π/6
30°
Simplify √25/√16
5/4
A function is _____ on an open interval, I, if f(x1)<f(x2) whenever X1 < X2 for any x1 and x2 in the interval.
Increasing
What is the reciprocal of "sin"
CSC
(5-2i)+(3+3i)
8+i
What coordinates is π/3?
(1/2,√3/2)
Simplify √500
5√20?
A function is _____ on an open interval, I, if f(x1) > f(x2) whenever X1 < X2 for any x1 and x2 in the interval.
Decreasing
What is the reciprocal of "sec"?
COS
(2+6i)-(12-4i)
-10+10i
What coordinate is π?
(-1,0)
Simplify √150x^3/√2x
5x√3
A function is _____ on an open interval, I, if f(x1) = f(x2) for any x1 and x2 in the interval.
Constant
TRUE OR FALSE:
The reciprocal of "cos" is "cot"
False
7i(2-9i)
63+14i
What Quadrant is 7π/4 in?
Quad. 4
Two or more square roots can be combined using the distributive property, provided that they have the same radicand. Such radicals are called...
"Like radicals."
A function value f(a) is a ______ of f if there exists an open interval containing a such that f(a) > f(x) for all x‡b in the open interval.
relative/local maximum
What is the ratio for "cot"
x/y
(5+4i)(6-7i)
58-11i
What is the coordinate of 210°?
(-√3/2,-1/2)
The process of rewriting a radical expression as an equivalent expression in which the denominator no longer contains any radicals is called...
"Rationalizing the denominator."
A function value f(b) is a of f if there exists an open interval containing b such that f(b) < f(x) for all x ‡ b in the open interval.
relative/local minimum
What is 0 not equal to for "csc"
y
√-27+√-48
7i√3