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Trigonmetry
Evaluate
Equations
Graphing
Miscellaneous
100
Complete the identity: ______ + 1 = cot^2 x
csc^2 x
100
log base 2 of 1/8
-3
100
Solve on [0, 2pi): tanx = -1
x = 3pi/4, 7pi/4
100
Is this graph of this function increasing or decreasing? f(x)=4^(-x)
decreasing (because equivalent to f(x)=(1/4)^x)
100

State the domain of this function: (x^2 +2)/(2x^2 - 5x - 3)

R, x cannot equal -1/2, 3

200
Solve on [0, 2pi): sec x + 2 = 0
2pi/3, 4pi/3
200
ln e^7
7
200
Solve: 4^(x+3) = 16^(5x)
x=1/3
200
State the vertical asymptotes of this function: x / (x^2-3x+2)
x=2, x=1
200
Given that C=102.3, B=28.7, b = 27.4, find A
A = 49
300
What would you find first in this problem, and what law would you use to find it? Solve triangle ABC given that a = 8, c = 5, and B = 40
b, using law of cosines
300
sin pi
0
300
e^x + 5 = 66
x = 4.111
300
State the horizontal asymptote of this function: (3x^2)/(x^3 - 4x +3)
y=0
300

One period of f(x)=cos x runs from ____ to ____

0 to 2pi

400
Evaluate arccos (-2)
not possible
400
arccos (1)
0
400
Solve: log base2 of (x+3) = 5
x=29
400

State the intervals of concave up and concave down:


up: -infinity to 0

down: 0 to infinity

400
Verify: (sec^2 x - 1) / (sec^2 x) = sin^2 x
Answers may vary
500

Given that a = 15, b = 25, A = 85, are there one, two, or no triangles possible?

no triangles possible

500
arcsin (-1/2)
-pi/6
500

Solve on [0, 2pi): 2sin^2 x - 3sin x +1 =0

x = pi/6, 5pi/6, pi/2

500

State the roots and any multiplicities:

roots:  -3, -1 (mult 3), 2 (mult 2)

500

State the period and amplitude of y=2sin(3)(x)

Amplitude = 2, Period = 2pi/3