MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the value of cos-1(-x) for all x belongs to [-1, 1]? |
| A. | cos-1(-x) |
| B. | π – cos-1(x) |
| C. | π – cos-1(-x) |
| D. | π + cos-1(x) |
| Answer» C. π – cos-1(-x) | |
| 2. |
What is the value of sin-1(sin 6)? |
| A. | -2π – 6 |
| B. | 2π + 6 |
| C. | either -2π + 6 or 2π + 6 |
| D. | 2π – 6 |
| Answer» D. 2π – 6 | |
| 3. |
What is the value of sin-1(-x) for all x belongs to [-1, 1]? |
| A. | -sin-1(x) |
| B. | sin-1(x) |
| C. | 2sin-1(x) |
| D. | sin-1(-x)/2 |
| Answer» B. sin-1(x) | |
| 4. |
Which value is similar to sin-1sin(6 π/7)? |
| A. | sin-1(π/7) |
| B. | cos-1(π/7) |
| C. | sin-1(2π/7) |
| D. | coses-1(π/7) |
| Answer» B. cos-1(π/7) | |
| 5. |
What will be the value of x + y + z if cos-1 x + cos-1 y + cos-1 z = 3π? |
| A. | -1/3 |
| B. | 1 |
| C. | 3 |
| D. | -3 |
| Answer» E. | |