Explore topic-wise MCQs in Mathematics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics 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<sup>-1</sup>(-x)
B. cos<sup>-1</sup>(x)
C. cos<sup>-1</sup>(-x)
D. + cos<sup>-1</sup>(x)
Answer» C. cos<sup>-1</sup>(-x)
2.

What is the value of sin-1(sin 6)?

A. -2 6
B. 2 + 6
C. either -2 + 6 or 2 + 6
D. 2 6
Answer» D. 2 6
3.

What is the value of sin-1(-x) for all x belongs to [-1, 1]?

A. -sin<sup>-1</sup>(x)
B. sin<sup>-1</sup>(x)
C. 2sin<sup>-1</sup>(x)
D. sin<sup>-1</sup>(-x)/2
Answer» B. sin<sup>-1</sup>(x)
4.

Which value is similar to sin-1sin(6 /7)?

A. sin<sup>-1</sup>( /7)
B. cos<sup>-1</sup>( /7)
C. sin<sup>-1</sup>(2 /7)
D. coses<sup>-1</sup>( /7)
Answer» B. cos<sup>-1</sup>( /7)
5.

What will be the value of x + y + z if cos-1 x + cos-1 y + cos-1 z = 3 ?

A. -1/3
B. 1
C. 3
D. -3
Answer» E.