6 JEE Main 2019 Trigonometric Equations previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 previous-year questions from the Trigonometric Equations chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Trigonometric Equations chapter hub.
All the pairs ( x ,   y ) , that satisfy the inequality 2 s i n 2 x - 2 s i n x + 5 · 1 4 s i n 2 y ≤ 1…
Let   S = θ ∈ - 2 π , 2 π : 2 cos 2 θ + 3 sin θ = 0 . Then the sum of the elements…
The sum of all values of   θ ∈ 0 ,   π 2 satisfying sin 2 2 θ + cos 4 2 θ = 3 4 is
Let S be the set of all α   ∈   R such that the equation, c o s 2 x + α s i n x = 2 α…
The number of solutions of the equation 1 + sin 4 x = cos 2 3 x ,   x ∈ - 5 π 2 , 5 π 2 is:
If 0 ≤ x < π 2 , then the number of values of x for which sin x - sin 2 x + sin 3 x = 0 , is: