Trig Equation Solving
solve for x:
1=sin(1/2(x))
x = pi = 3.14...
Find CSC(34*)
1.89
Graph from an equation:
y=2sin(2(x-2pi))+5
Look at graph 3
What triangles are Law of Cosine used for?
SAS and SSS
What his dog's name?
Maizie
solve for x:
-4=2cos(4x)-3
x=0.524
x=1.05
Find all sides and angles in the following triangle?
<C = 80* c=12 a=7
<A = 35.06* <B=64.94* b=11.04
Sinusoidal problem:
Graph temps of a June day in Arizona
Low: 67 degrees at 2:35 am
High: 97 degrees at 1:35 pm
What triangles are Law of Sine used for?
ASA, AAS and SSA
What was his nickname in high school?
Snake
solve for x:
9=sec(6(x+pi/5))+7
x=-0.454
x=0.244
Find 3 solutions of the following equation:
2sin(1/2(x-2))-3=10
NO SOLUTION
Find an equation from a graph: Look at graph #5
f(x)=6.5cos(3(x-pi/4))+7
What is the Law of Cosine equation when trying to find an angle? Use variable A for the angle to find.
A = Cos^-1((a^2 - b^2 - c^2)/(-2ab))
What holiday did he dress up as?
Lumberjack Holiday
solve for x (give 4 answers)
-4=tan(pi/4(x+1.6))+2
x=-3.39
x=0.61
other answers include values +/- 8
Sketch the following graph:
y=6sec(1/2(x-pi/2))+2
Graph 1
Graph:
y=-2cot(4(x-pi/2)+3.5
See graph #6
Find Side b:
Side a = 25
Side c = 35
Angle B = 60 degrees
b= 59.3
What word does he say three times?
focus, focus, focus
-5=3.5 csc(x/6 + pi/6) +2.5
x = -6.055
x=18.62
Solve + Graph :
4sec(1/3(x-pi/2))+2=-3
x= 9.06, 13.778, 15.88 (other correct answers possible)
Graph: See graph 2
Find an equation from a graph: see graph 7
y=-3sec(1/6(x+pi/2)-12
Find Side b and Side c: Look at triangle 1
b= 76.33
c=40.10
Where did he grow up?
Small town outside of Seattle