Q3/10: If cos x = -3/5 and x lies in the third quadrant, find the value of sin x.
Anonymous Quiz
53%
4/5
32%
-4/5
11%
3/5
5%
-3/5
0%
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Q4/10: What is the value of sin(31pi / 3)?
Anonymous Quiz
40%
sqrt(3)/2
30%
-sqrt(3)/2
10%
1/2
20%
-1/2
0%
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Q5/10: Find the value of cos(-1710 degrees).
Anonymous Quiz
43%
1
24%
-1
10%
0
19%
1/2
5%
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Q6/10: Assertion (A): The maximum value of 3 sin x + 4 cos x is 5.
Reason (R): The maximum value of a sin x + b cos x is sqrt(a^2 + b^2).
Reason (R): The maximum value of a sin x + b cos x is sqrt(a^2 + b^2).
Anonymous Quiz
58%
Both A and R are true and R is correct explanation
42%
Both A and R are true but R is not correct
0%
A is true but R is false
0%
A is false but R is true
0%
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Q7/10: What is the value of 2 sin(15 degrees) cos(15 degrees)?
Anonymous Quiz
36%
1
27%
1/2
23%
sqrt(3)/2
14%
1/sqrt(2)
0%
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Q8/10: Competency: A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?
Anonymous Quiz
48%
12pi
26%
6pi
22%
24pi
0%
18pi
4%
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Q9/10: Evaluate tan(15 degrees).
Anonymous Quiz
45%
2 + sqrt(3)
28%
2 - sqrt(3)
17%
sqrt(3) - 1
10%
sqrt(3) + 1
0%
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Q10/10: If tan A = 1/2 and tan B = 1/3, what is the value of tan(A + B)?
Anonymous Quiz
53%
1
32%
5/6
15%
1/6
0%
-1
0%
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Next quiz Sunday at 19:00
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Next quiz Sunday at 19:00
✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
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Answer today's quiz questions and test your knowledge.
Every question is a step toward exam success!
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Good luck!
Q1/10: What is the fundamental period of the function f(x) = sin(2x)?
Anonymous Quiz
28%
pi
34%
2pi
19%
pi/2
13%
4pi
6%
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Q2/10: Assertion (A): cos 2x = cos^2 x - sin^2 x.
Reason (R): This trigonometric identity is valid only for acute angles.
Reason (R): This trigonometric identity is valid only for acute angles.
Anonymous Quiz
54%
Both A and R are true and R is correct explanation
31%
Both A and R are true but R is not correct
12%
A is true but R is false
4%
A is false but R is true
0%
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Q3/10: Evaluate: cos 20 degrees * cos 40 degrees * cos 80 degrees.
Anonymous Quiz
46%
1/4
27%
1/8
23%
1/16
4%
1/2
0%
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Q4/10: HOTS: If sin x + sin y = a and cos x + cos y = b, find the value of cos(x - y).
Anonymous Quiz
73%
(a^2 + b^2 - 2) / 2
23%
(a^2 + b^2) / 2
5%
(a^2 - b^2) / 2
0%
a^2 + b^2 - 1
0%
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Q5/10: What is the value of tan(pi / 8)?
Anonymous Quiz
48%
sqrt(2) - 1
32%
sqrt(2) + 1
12%
1 - sqrt(2)
4%
1 + sqrt(2)
4%
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❤1
Q6/10: What is the value of i^9 + i^19?
Anonymous Quiz
48%
0
38%
2i
10%
-2i
3%
2
0%
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Q7/10: Express the complex number (1 - i)^4 in the form a + ib.
Anonymous Quiz
59%
4 + 0i
24%
-4 + 0i
10%
0 - 4i
7%
0 + 4i
0%
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Q8/10: Find the modulus of the complex number z = 3 - 4i.
Anonymous Quiz
62%
5
31%
25
3%
7
5%
1
0%
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Q9/10: What is the conjugate of the complex number z = 2 + 3i?
Anonymous Quiz
68%
2 - 3i
19%
-2 - 3i
8%
-2 + 3i
3%
3 + 2i
3%
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Q10/10: What is the multiplicative inverse of 4 - 3i?
Anonymous Quiz
62%
4/25 + 3i/25
21%
4/25 - 3i/25
12%
-4/25 + 3i/25
3%
-4/25 - 3i/25
3%
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🎉 Quiz Finished! 🎉
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Next quiz today at 19:00 (in 23h 51m)
Thank you for participating.
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Next quiz today at 19:00 (in 23h 51m)