Revision Test -01
Created on 6th January 2025
Grade level: Grade 12th grade
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24 Questions
1. All the questions are compulsory to solve. 2. Read thoroughly before attempting questions to avoid your mistakes. 3. BEST OF LUCK.👍
Questions (24)
1. What is the value of sin^(-1)(0.5)?
30°
4 choice options
2. If A = [[1, 2], [3, 4]], what is the determinant of A?
-2
4 choice options
3. What is the value of cos^(-1)(-1)?
180°
4 choice options
4. Which of the following is the inverse tangent of 1?
45°
4 choice options
5. Calculate the product of the matrices A = [[1, 2], [3, 4]] and B = [[2, 0], [1, 2]].
[5, 4]
4 choice options
6. What is the value of tan^(-1)(√3)?
60°
4 choice options
7. If C = [[1, 0], [0, 1]], what is the inverse of C?
[[1, 0], [0, 1]]
4 choice options
8. Determine the value of sin^(-1)(1).
90°
4 choice options
9. If D = [[2, 1], [1, 3]], what is the trace of D?
5
4 choice options
10. What is the cotangent of 45°?
1
4 choice options
11. What is the value of sin^(-1)(0.5)?
30°
4 choice options
12. Which of the following represents the correct relationship between sin, cos, and tan?
tan(x) = sin(x) / cos(x)
4 choice options
13. If A is a 2x2 matrix with elements [2, 3; 4, 5], what is the determinant of A?
-7
4 choice options
14. Evaluate the expression cos^(-1)(-1).
180°
4 choice options
15. Which of the following is true for the inverse tangent function?
tan^(-1)(1) = 45°
4 choice options
16. What is the inverse cosine of 0?
90°
4 choice options
17. Consider the matrix B = [1, 2; 3, 4]. What is B^2?
[7, 10; 15, 22]
4 choice options
18. What is the range of the function sin^(-1)(x)?
[-π/2, π/2]
4 choice options
19. If C is a 3x3 matrix, what is the maximum rank it can have?
3
4 choice options
20. Which of these is the correct formula for calculating the inverse of a 2x2 matrix?
1/det(A) * [d, -b; -c, a]
4 choice options
21. What is the value of tan^(-1)(√3)?
60°
4 choice options
22. If a matrix D has a determinant of 0, what can be said about D?
It is singular
4 choice options
23. Calculate sin^(-1)(1).
90°
4 choice options
24. Which matrix operation is not defined for matrices of different sizes?
Addition
4 choice options