Find the exact value of sin(90)
1
What does an inverse trig function solve for?
The angle.
y=3sin(x)
highest and lowest point is 3
A person is up in a hot air balloon 120 ft in the air. They look down at their car at an angle of 46 degrees. How far is the person from their car to the nearest tenth? (shortest distance)
166.8 ft
What is the reference angle for 3pi/4
45
Find the exact value of cot 210 ̊.
rad3
Determine and acute angle that satisfies the condition secx=2
60
Find the period for the following:
y=4cot(5x-25)+8
2pi/5
A 15-ft ladder leans against a building so that the angle between the ground and the ladder is 64 degrees. How high does the ladder reach up the side of the building to the nearest foot?
13 ft
What are two coterminal angles to -140
220, -500, etc
If sinx=15/17 , find secx
17/8
-30
Graph the following:
y=2sin2x-1
i will check
A radio tower is located 325 feet from a apartment complex. From a window in their apartment, a person determines that the angle of elevation to the top of the tower is 56 degrees and that the angle of depression to the bottom of the tower is 24 degrees. How tall is the radio tower to the nearest tenth?
626.5 ft
Is x+6 a factor of f(x)=6x3+31x2-27x+18
YES
Given tan θ =3/4 and sin θ <0 find sinθ and secθ
sin=-3/5
sec=-5/4
sin(tan-1(-1))
-rad(2)/2
Write an equation given the following information:
amplitude of 3
frequency of 2
horizontal shift left 5
vertical shift up 3
i will check
From the top of a 140 ft building Charlie observes a tank moving toward him. If the angle of depression of the tank changes from 22 degrees to 56 degrees during the observation, how far does the tank travel to the nearest hundredth of a foot?
252.08 ft
Solve for x:
2x+2=83x+5
x=-1.625
Find sinx and tan x if cosx=-1/2 and sinx>0
sin=rad(3)/2
tan=-rad(3)
Evaluate sin-1(cos(pi/3))
60
Graph the following:
y=cos (2x+pi/2)-3
i will check
A 350-foot tall monument is located in the distance. From a window in a building, a person determines that the angle of elevation to the top of the monument is 17 degrees and that the angle of depression to the bottom of the monument is 6 degrees. How far is the person from the monument to the nearest foot?
852 feet
Point P is on the terminal side of angle x. Evaluate the six trig functions for the angle given the point to be P(-3,4)
sin=4/5
cos=-3/5
tan=-4/3
sec=-5/3
csc=5/4
cot=-3/4