Trig equation solving
Identify a, b, h, and k in this equation:
4cos(pie/2(x-2pie))+5
a=4
b=pie/2
h=2pie
k=5
Find x
Look at graph 1
x=8 square root 2
Find c using Law of Sine
Given: A = 86 degrees, a=25, B=65 degrees, b=20, and C= 29 degrees
y=4sin((1/2)(x)))+5
Graph 1
Find 1 solution:
4cos(3(x-1))+4=2
x=1.69
find x and y
look at graph 2
x=8
y=8 square root 3
Find C using Law of Cosine
Given: A= 48.2 degrees, a=3, B=78 degrees, b=10, c=5
C=55.8 degrees
y=8cos((1/4)(x-pi)))+10
Graph 2
Find 2 solutions (not using wavelength)
2sin(1/2(x+pie))+1=1.5
x=-2.64
x=2.63
find the bearings of graph 3 (pt a and b)🐻
part a= N 32 E
part b= W 57 S
Find b and c using Law of Sine
Given: A= 70 degrees, a=5, B=80 degrees, C = 30 degrees
c= 2.66
b= 5.24
y=2csc((1/2)(x+pi)))+1
Graph 3
Find 4 solutions:
30cos(1.5(x-1.3))+40=50
x=2.121
x=6.31
x=4.67
x=8.86
solve triangle with <A=30, b=10, c=29
find a, <B, <C
<B=22.16
<C=127.83
Find B and c using Law of Cosine
Given: A= 116 degrees, a=42, b=26, C=32 degrees
B= 32 degrees
y=3sec(1/4(x-(pi/2)))+4
Graph 4
Find 4 solutions:
2csc(pie/2(x-pie))+4=16
x=-3.04
x=0.96
x=-1.25
x=2.75
find x of graph 4
x=3556.57
Find C, a, and c using Law of Sine
Given: A=107 degrees, B=42 degrees, b=19
a= 27.1543
C=31 degrees
c=14.624
y=5cot(4(x+(pi/4)))+5
Graph 5