1
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If the roots of the equation $${x^2} + px + q = 0$$ are tan 19$$^\circ$$ and tan 26$$^\circ$$, then which one of the following is correct?
A
q $$-$$ p = 1
B
p $$-$$ q = 1
C
p + q = 2
D
p + q = 3
2
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
What is $${(1 + \tan \alpha \tan \beta )^2} + {(\tan \alpha - \tan \beta )^2} - {\sec ^2}\beta {\sec ^2}\beta $$ equal to?
A
0
B
1
C
2
D
4
3
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If $$\sin \theta + \cos \theta = \sqrt 2 \cos \theta $$, then what is $$(\cos \theta - \sin \theta )$$ equal to?
A
$$ - \sqrt 2 \cos \theta $$
B
$$ - \sqrt 2 \sin \theta $$
C
$$\sqrt 2 \sin \theta $$
D
$$2\sin \theta $$
4
NDA 2019 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
If $$\sin \theta = - {1 \over 2}$$ and $$\tan \theta = {1 \over {\sqrt 3 }}$$, then in which quadrant does $$\theta$$ lie?
A
First
B
Second
C
Third
D
Fourth
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12