Tangent function questions, algebra homework help

Need Tangent function questions answered with the workings out typed not hand written.

0
21
-2
4. Find the period and amplitude of the function. (1 point)
y = 5cos20
Period: 71 radians; Amplitude: 2.5
Period: 7 radians; Amplitude: 5
Period: 21 radians, Amplitude: 2.5
Period: 21 radians; Amplitude: 5
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0
0
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0-1
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00.5
2. What is an equation for a sine curve with amplitude 2, and period 4 i radians? (1 point)
Oy=0.5sin48
Oy=4sin
2
Oy=2sin20
Oy=2sin
2
♡
3
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3
2
4.
W
E
R
1. Use the graph of = sin2, to find the value of sin 2, for
e
Y
HI
A radians. (I point)
4.
U
21
T
R
НА A
0
TI
mm J
31:22
0-1
00
0.5
01
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5.
Q. W
E E
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1,452.5, 3.55, 4.59, 5.64
12. A wave is modeled with the function = 1 sin 3 where is in radians. Describe the graph (4 points)
y
2.
of this function, including its period, amplitude, and points of intersection with the x-axis.
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13.
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A sound wave is modeled with the equation y
1
COS
4.
(4 points)
e
3
a. Find the period. Explain your method.
b. Find the amplitude. Explain your method
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112
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cro
2
W
R
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13.
A sound wave is modeled with the equation y
1
COS
4.
(4 points)
e
3
a. Find the period. Explain your method.
b. Find the amplitude. Explain your method
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