1
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?
2
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
What is the value of the following?
$\rm cosec\left(\dfrac{7\pi}{6}\right)sec\left(\dfrac{5\pi}{3}\right)$
3
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°
4
NDA Mathematics 18 April 2021
MCQ (Single Correct Answer)
+2.5
-0.83
What is the value of the following?
(sin 24° + cos 66°)(sin 24° - cos 66°)
Questions Asked from Trigonometric Angles and Equations (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
NDA Subjects
Mathematics
Algebra
Sets, Relations and FunctionsLogarithmsQuadratic Equations and InequalitiesSequence And SeriesBinomial TheoremMatricesDeterminantsPermutations and CombinationsProbabilityComplex NumbersVector AlgebraThree Dimensional GeometryStatistics
Trigonometry
Trigonometric Angles and EquationsInverse Trigonometric FunctionHeight and DistanceProperties of Triangles
Coordinate Geometry
Calculus
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