78 JEE Main Trigonometric Equations PYQs (2002–2026) with verified answers and step-by-step solutions.
This page collects every JEE Main Trigonometric Equations previous-year question from Mathematics, 2002–2026. Each links to a full solution with a verified answer key. Click any year above to narrow the list, or open a question to study its step-by-step working and then practice it on PrepSharp's CBT player.
If S = \θ [-π, π] : θ (5θ)/(2) = 7θ (7θ)/(2) \, then n(S) is equal to _______.
Let S = \x [-π, π] : x ( x + x) = a, a Z\. Then n(S) is equal to :
The number of elements in the set \x [0,180ⁱrc ]: (x+100ⁱrc )= (x+50ⁱrc ) x (x-50ⁱrc ) \ is \\\\_.
Number of solutions of √(3) 2 θ+8 θ+3 √(3)=0, θ [-3 π, 2 π] is:
Let S = \θ (-2π, 2π) : θ + 1 = √(3)θ\. Then Σθ Sθ is equal to:
If for θ [-(π)/(3), 0 ], the points (x, y)= (3 (θ+(π)/(3) ), 2 (θ+(π)/(6) ) ) lie on x y+α x+β y+γ=0, then α²+β²+γ² is…
The number of solutions of the equation 2 θ (θ)/(2)+ (5 θ)/(2)=2 ³ (5 θ)/(2) in [-(π)/(2), (π)/(2) ] is :
If θ [-(7 π)/(6), (4 π)/(3) ], then the number of solutions of √(3) cosec² θ-2(√(3)-1) cosec θ-4=0, is equal to
The sum of all values of θ [0,2 π] satisfying 2 ² θ= 2 θ and 2 ² θ=3 θ is
If 10 ⁴ θ+15 ⁴ θ=6, then the value of 27 cosec⁶ θ+8 ⁶ θ16 ⁸ θ is:
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