4. The amplitude of the function y = 2 tan 2x + 2 is 2. 5. If sin 0 > 0 and cos e < 0,0

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.1: Congruent Triangles
Problem 7E: In ABC, the midpoints of the sides are joined. a what does intuition suggest regarding the...
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Question
TRUE/ FALSE, numbers 4, 5, 6
E & SECTION:
sa 3-page Quiz worth 30 points from module 4. ALL final answers should be written in
or black ink only. Strictly NO ERASURE (of any kind) or change in answer.
d carefully the statements below. Write TRUE if the statement is always correct,
rwise, FALSE. Use the space provided before each item. (1 point each)
1. If the terminal side of an angle e is in the second quadrant, and sin 0 = then
its reference angle is 30°.
%3D
2. If the period of any given circular function is less than 2n (angle measured in
radians), then the graph is compressed horizontally.
3. If the graph is stretched vertically, then its amplitude is greater than 1.
4. The amplitude of the function y = 2 tan 2x +2 is 2.
5. If sin 0 > 0 and cos 0 < 0,0s0S 360°, then angle 0 is between 90° and 180°.
6. Any situation that can be modeled with a cosine function can also be modeled
with a sine function.
7. The graph of y = a sin x + 3, a 2 3, never touches the x- axis.
8. The graph of y = cos x + a, a > 1 has infinitely many x-intercepts.
9. The cotangent function is the inverse of tangent function.
10. The cosine graph is the same as the sine - only it's shifted to the left by 90
degrees, or . Therefore, cos x = sin x+
and analyze the questions then encircle the letter that correspond to your answer.
at each)
1. If cos 0 = , and 0 is in the fourth quadrant, what is cot 0?
А.
V77
2/77
С.
77
77
В.
977
D.
77
15
2. If sin 0 = -
17
and 0 is in the third quadrant, what is tan 0?
A.
15
8.
15
C.
B.
15
15
3. Which of the following has an amplitude equal to 2?
A. f(x) = sin 2x
B. f(x) = 2 tan 2x
4. Which of the following has a period equal to ?
8.
C. f(x) = 2 cscx
D. f(x) = -2 cos 2x
A. f(x) = sin ?r
Transcribed Image Text:E & SECTION: sa 3-page Quiz worth 30 points from module 4. ALL final answers should be written in or black ink only. Strictly NO ERASURE (of any kind) or change in answer. d carefully the statements below. Write TRUE if the statement is always correct, rwise, FALSE. Use the space provided before each item. (1 point each) 1. If the terminal side of an angle e is in the second quadrant, and sin 0 = then its reference angle is 30°. %3D 2. If the period of any given circular function is less than 2n (angle measured in radians), then the graph is compressed horizontally. 3. If the graph is stretched vertically, then its amplitude is greater than 1. 4. The amplitude of the function y = 2 tan 2x +2 is 2. 5. If sin 0 > 0 and cos 0 < 0,0s0S 360°, then angle 0 is between 90° and 180°. 6. Any situation that can be modeled with a cosine function can also be modeled with a sine function. 7. The graph of y = a sin x + 3, a 2 3, never touches the x- axis. 8. The graph of y = cos x + a, a > 1 has infinitely many x-intercepts. 9. The cotangent function is the inverse of tangent function. 10. The cosine graph is the same as the sine - only it's shifted to the left by 90 degrees, or . Therefore, cos x = sin x+ and analyze the questions then encircle the letter that correspond to your answer. at each) 1. If cos 0 = , and 0 is in the fourth quadrant, what is cot 0? А. V77 2/77 С. 77 77 В. 977 D. 77 15 2. If sin 0 = - 17 and 0 is in the third quadrant, what is tan 0? A. 15 8. 15 C. B. 15 15 3. Which of the following has an amplitude equal to 2? A. f(x) = sin 2x B. f(x) = 2 tan 2x 4. Which of the following has a period equal to ? 8. C. f(x) = 2 cscx D. f(x) = -2 cos 2x A. f(x) = sin ?r
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