99. Height of a kite. A kite is flying at the end of 100 feet of string that is in a taut straight line. The height, h, of the kite is given by h = 100 sin 0, where 0 is the angle the string makes with the ground. Find the kite's height assuming that a. 0 = 30°. b. 0 = 60°. %3D ltage The voltage in a comm
99. Height of a kite. A kite is flying at the end of 100 feet of string that is in a taut straight line. The height, h, of the kite is given by h = 100 sin 0, where 0 is the angle the string makes with the ground. Find the kite's height assuming that a. 0 = 30°. b. 0 = 60°. %3D ltage The voltage in a comm
Transcribed Image Text:a. The point is due east of the sound source,
string that is in a taut straight line. The height, h, of the kite
Find the decibel level at a point 3 yards from the sound
source assuming that
h The point is due west of the sound source
. The point is due south of the sound source.
n Height of a kite. A kite is flying at the end of 100 feet of
is given by h = 100 sin 6, where 0 is the angle the string
makes with the ground. Find the kite's height assuming that
a. 0 = 30°.
00 Household voltage. The voltage in a common household
electrical outlet is given by V = 166 cos (12071), where V
is measured in volts (± indicates direction) and t in sec-
b. 0 = 60°.
onds. Find the voltage when t is
1
1
sec.
b.
sec.
a.
с.
120
60
72
sec.
Beyond the Basics
In Exercises 101–104, use the figure to find a triangle con-
gruent to triangle POM that justifies the statements in each
exercise.
YA
Q(-x, y)
P(x, y)
-1 NY-x, 0) | M(x, 0)
R(-x, -y)
S(x, -y)
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Trigonometry (MindTap Course List)TrigonometryISBN:9781305652224Author:Charles P. McKeague, Mark D. TurnerPublisher:Cengage Learning
Trigonometry (MindTap Course List)TrigonometryISBN:9781337278461Author:Ron LarsonPublisher:Cengage Learning