6. Use your calculator to determine the value of csc 0.71, to three decimal places. 1.534 а. 0.652 b. с. 0.012 d. 80.700 7. Which compound angle formula is the easiest to use to develop the expression cos e- sin" a? а. addition formula for sine с. subtraction formula for sine b. addition formula for cosine d. subtraction formula for cosine 8. Which of the following expressions is NOT equivalent to sin 75°? а. sin 45° + sin 30° с. sin 105° b. sin(45° + 30°) d. sin 45° cos 30° + sin 30° cos45° 9. Which of these is a possible solution for secx-2 = 0 in the interval x e [0, 21]? 21 X = 3 X = 3 а. с. X = 3 d. X = 6 b.
6. Use your calculator to determine the value of csc 0.71, to three decimal places. 1.534 а. 0.652 b. с. 0.012 d. 80.700 7. Which compound angle formula is the easiest to use to develop the expression cos e- sin" a? а. addition formula for sine с. subtraction formula for sine b. addition formula for cosine d. subtraction formula for cosine 8. Which of the following expressions is NOT equivalent to sin 75°? а. sin 45° + sin 30° с. sin 105° b. sin(45° + 30°) d. sin 45° cos 30° + sin 30° cos45° 9. Which of these is a possible solution for secx-2 = 0 in the interval x e [0, 21]? 21 X = 3 X = 3 а. с. X = 3 d. X = 6 b.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Pls help with these questions. Thanks!
![6. Use your calculator to determine the value of csc 0.71, to three decimal places.
0.012
а.
0.652
b.
1.534
с.
d.
80.700
7. Which compound angle formula is the easiest to use to develop the expression Cos a- sin e?
а.
addition formula for sine
с.
subtraction formula for sine
b.
addition formula for cosine
d.
subtraction formula for cosine
8. Which of the following expressions is NOT equivalent to sin 75°?
sin 45° + sin 30°
sin 105°
а.
с.
b.
sin(45° + 30°)
d.
sin 45° cos 30° + sin 30° cos 45°
9. Which of these is a possible solution for secx-2 = 0 in the interval x e [0,21]?
2.
X =
3
X =
3
а.
с.
b.
X =
3
d.
X =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F70562eea-c2fb-4751-9e42-c7c37c89fd29%2Ff24c6aac-d01f-45ba-9cc7-07847f35e1fd%2F4c1u1ayd_processed.png&w=3840&q=75)
Transcribed Image Text:6. Use your calculator to determine the value of csc 0.71, to three decimal places.
0.012
а.
0.652
b.
1.534
с.
d.
80.700
7. Which compound angle formula is the easiest to use to develop the expression Cos a- sin e?
а.
addition formula for sine
с.
subtraction formula for sine
b.
addition formula for cosine
d.
subtraction formula for cosine
8. Which of the following expressions is NOT equivalent to sin 75°?
sin 45° + sin 30°
sin 105°
а.
с.
b.
sin(45° + 30°)
d.
sin 45° cos 30° + sin 30° cos 45°
9. Which of these is a possible solution for secx-2 = 0 in the interval x e [0,21]?
2.
X =
3
X =
3
а.
с.
b.
X =
3
d.
X =
Transcribed Image Text:19. If Ax) = log 4x and g(x) = x² – 2, which of these expressions is equivalent to f (g(4))?
b.
log 4 + log 14
log? 16 – 2
log? 14
d.
log 4 x log 14
а.
с.
20. If Ax) =
1
and g(x)
logx
1
what is the domain of y = f(x)g(x)?
8+x'
а.
{x eR |x * -8 and x + 1}
с.
{x eR|x >0 and x + 1}
b.
{x eR|x > 0}
d.
{x eR |x > 0 and x + 8}
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