1
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Let f(x) = sin x + cos ax be periodic function. Then,
2
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.25
If $${e^{\sin x}} - {e^{-\sin x}} - 4 = 0$$, then the number of real values of x is
3
WB JEE 2019
MCQ (Single Correct Answer)
+2
-0.5
The graphs of the polynomial x2 $$-$$ 1 and cos x intersect
4
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.25
The approximate value of sin31$$^\circ$$ is
Questions Asked from Trigonometric Functions & Equations (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
WB JEE Subjects
Physics
Mechanics
Units & Measurements Vector Algebra Motion Laws of Motion Circular Motion Work Power & Energy Center of Mass Rotational Motion Properties of Matter Heat and Thermodynamics Simple Harmonic Motion Waves Gravitation
Electricity
Electrostatics Current Electricity Capacitor Magnetism Electromagnetic Induction Alternating Current Electromagnetic Waves
Optics
Modern Physics
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Physical Chemistry
Some Basic Concepts of Chemistry Atomic Structure Redox Reaction Gaseous State Chemical Equilibrium Liquid Solution Ionic Equilibrium Thermodynamics Chemical Kinetics Radioactivity and Nuclear Chemistry Electrochemistry Solid State Surface Chemistry
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Periodic Table Chemical Bonding Metallurgy Hydrogen and It's Compounds Some s Block Elements Some P Block Elements d and f Block Elements Coordination Compounds
Organic Chemistry
Mathematics
Algebra
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Calculus