4 JEE Main 2023 Trigonometric Ratios & Identities previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2023 previous-year questions from the Trigonometric Ratios & Identities 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 Ratios & Identities chapter hub.
The value of tan 9 o - tan 27 o - tan 63 o + tan 81 o is _____.
If tan 15 ° + 1 tan 75 ° + 1 tan 105 ° + tan 195 ° = 2 a , then the value of a + 1 a is :
96   cos π 33   cos 2 π 33   cos 4 π 33   cos 8 π 33   cos 16 π 33 is…
The value of 36 4   cos 2   9 ∘ - 1   4   cos 2   27 ∘ - 1   4   cos 2 &…