Explore topic-wise MCQs in Mathematics.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

Find cos 2x if tan x=1/ ( sqrt{3} ).

A. 1/2
B. 0
C. ( sqrt{3} )/2
D. 1
Answer» B. 0
Discussion
2.

Find cos 2x if cos x = 1/ ( sqrt{2} ).

A. 1/2
B. 0
C. ( sqrt{3} )/2
D. 1
Answer» C. ( sqrt{3} )/2
Discussion
3.

Find cos 2x if sin x=1/2.

A. 1/2
B. 1/ ( sqrt{2} )
C. ( sqrt{3} )/2
D. 1
Answer» D. 1
Discussion
4.

cot 15 =______________

A. 2+ ( sqrt{3} )
B. 2- ( sqrt{3} )
C. 1+ ( sqrt{3} )
D. ( sqrt{3} )-1
Answer» B. 2- ( sqrt{3} )
Discussion
5.

cot 75 =___________________________

A. 2+ ( sqrt{3} )
B. 2- ( sqrt{3} )
C. 1+ ( sqrt{3} )
D. ( sqrt{3} )-1
Answer» C. 1+ ( sqrt{3} )
Discussion
6.

tan(15 ) =___________________

A. 2 + ( sqrt{3} )
B. 2 ( sqrt{3} )
C. 1 + ( sqrt{3} )
D. ( sqrt{3} ) 1
Answer» C. 1 + ( sqrt{3} )
Discussion
7.

tan(75 ) =___________________

A. 2+ ( sqrt{3} )
B. 2- ( sqrt{3} )
C. 1+ ( sqrt{3} )
D. ( sqrt{3} )-1
Answer» B. 2- ( sqrt{3} )
Discussion
8.

Is sin (90 +x) = cos x.

A. True
B. False
Answer» B. False
Discussion
9.

Is cos (90 x) = sin x.

A. True
B. False
Answer» B. False
Discussion
10.

sin(15 ) =_________________

A. (1 ( sqrt{3} ))/2 ( sqrt{2} )
B. ( ( sqrt{3} ) + 1)/2 ( sqrt{2} )
C. ( ( sqrt{3} ) 1)/2 ( sqrt{2} )
D. (- ( sqrt{3} ) 1)/2 ( sqrt{2} )
Answer» D. (- ( sqrt{3} ) 1)/2 ( sqrt{2} )
Discussion
11.

sin (75 ) =__________________

A. (1 ( sqrt{3} ))/2 ( sqrt{2} )
B. ( ( sqrt{3} ) + 1)/2 ( sqrt{2} )
C. ( ( sqrt{3} ) 1)/2 ( sqrt{2} )
D. (- ( sqrt{3} ) 1)/2 ( sqrt{2} )
Answer» C. ( ( sqrt{3} ) 1)/2 ( sqrt{2} )
Discussion
12.

cos(15 ) =_____________

A. (1 ( sqrt{3} ))/2 ( sqrt{2} )
B. ( ( sqrt{3} ) + 1)/2 ( sqrt{2} )
C. ( ( sqrt{3} ) 1)/2 ( sqrt{2} )
D. (- ( sqrt{3} ) 1)/2 ( sqrt{2} )
Answer» C. ( ( sqrt{3} ) 1)/2 ( sqrt{2} )
Discussion
13.

cos(75 ) =__________________

A. (1 ( sqrt{3} ))/2 ( sqrt{2} )
B. ( ( sqrt{3} ) + 1)/2 ( sqrt{2} )
C. ( ( sqrt{3} ) 1)/2 ( sqrt{2} )
D. (- ( sqrt{3} ) 1)/2 ( sqrt{2} )
Answer» D. (- ( sqrt{3} ) 1)/2 ( sqrt{2} )
Discussion