Algebra
Sets, Relations and Functions
MCQ (Single Correct Answer)
Quadratic Equations and Inequalities
MCQ (Single Correct Answer)
Sequence And Series
MCQ (Single Correct Answer)
Permutations and Combinations
MCQ (Single Correct Answer)
Three Dimensional Geometry
MCQ (Single Correct Answer)
Trigonometry
Trigonometric Angles and Equations
MCQ (Single Correct Answer)
Inverse Trigonometric Function
MCQ (Single Correct Answer)
Height and Distance
MCQ (Single Correct Answer)
Properties of Triangles
MCQ (Single Correct Answer)
Calculus
Limit, Continuity and Differentiability
MCQ (Single Correct Answer)
Application of Derivatives
MCQ (Single Correct Answer)
Indefinite Integration
MCQ (Single Correct Answer)
Definite Integration
MCQ (Single Correct Answer)
Area Under The Curves
MCQ (Single Correct Answer)
Differential Equations
MCQ (Single Correct Answer)
1
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
If $\tan A=\dfrac{1}{7}$, then what is cos 2A equal to?
A
$\dfrac{24}{25}$
B
$\dfrac{18}{25}$
C
$\dfrac{12}{25}$
D
$\dfrac{6}{25}$
2
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
If $\rm tan\:x=-\dfrac{3}{4}$ and x is in the second quadrant, then what is the value of sin x ⋅ cos x?
A
$\dfrac{6}{25}$
B
$\dfrac{12}{25}$
C
$-\dfrac{6}{25}$
D
$-\dfrac{12}{25}$
3
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83

What is the value of the following?

$\rm cosec\left(\dfrac{7\pi}{6}\right)sec\left(\dfrac{5\pi}{3}\right)$

A
$\dfrac{4}{3}$
B
4
C
-4
D
$-\dfrac{4}{\sqrt3}$
4
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83

What is the value of the following?

tan 31° tan 33° tan 35° _ _ _ _ _ tan 57° tan 59°

A
-1
B
0
C
1
D
2