Trigonometry (Part 2/3) JEE Main PYQ + Theory | Prabhat Ranjan

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Trigonometry (Part 2/3) JEE Main PYQ + Theory | Prabhat Ranjan

Trigonometry Question 11-20 (Part 2/3) Class 11, 12 Mathematics Boards, JEE Main, JEE Advanced, IIT JEE Full course from basic JEE Main Question Practice JEE Main PYQ + Theory by Prabhat Ranjan for class 12, boards, IIT JEE 2025, JEE Main 2025, JEE Advanced 2025, IIT JEE 2026, JEE Main 2026, JEE Advanced 2026.

"Trigonometry (Part 2/3) JEE Main PYQ + Theory" by Prabhat Ranjan continues with an in-depth focus on trigonometry, specifically covering questions 11-20. This session is part of a comprehensive course designed for students preparing for Class 11 and 12 board exams, JEE Main, JEE Advanced, and IIT JEE for the years 2025 and 2026. The video includes the practice of previous year questions (PYQs) and blends both theoretical explanations and practical problem-solving strategies, offering shortcuts and tricks for quick and accurate solutions. Topics like advanced trigonometric identities, formulas, and their applications are covered in detail, aiming to strengthen students' grasp of the subject for competitive exams and board preparations.

All these aspects have been covered by Prabhat Ranjan in full detail in his new YouTube video.

I am Prabhat Ranjan, currently pursuing B.Tech in Mechanical Engineering from NIT Jamshedpur.

Timeline:
00:00 Introduction
01:46 11) If cot α = 1 and sec β = 5/3 where π greater than α less than 3π/2 and π/2 greater than β less than π, then the value of tan (α + β) and the quadrant in which α + β lies, respectively, are
07:21 12) The set of all values of A for which the equation cos2 2x - 2 sin4 x - 2 cos2 x = 2
15:47 13) If sum of all the solutions of the equation 8 cos x ·(cos(π/6+x) ·cos(π/6-x)-1/2)=1 in [0, π] is k π, then k is equal to (2018 Main)
24:00 14) The sum of all values of θ∈(0,π/2) satisfying sin^2⁡〖2θ+cos^4⁡2θ 〗=3/4 is
29:11 15) The maximum value of 3 cosθ+5 sin(θ-π/6) for any real value of θ is
32:20 16) All the pairs (x,y) that satisfy the inequality 2^√(sin ^2 x-2 sin x+5)·1/4^sin ^2 y≤ 1 also satisfy the equation
39:09 17) The number of solutions of the equation 1 +sin^(4) x = cos ^(2) 3x, x in [-(5pi)/(2),(5pi)/(2)] is
47:06 18) Let S be the set of all α∈ R such that the equation, cos 2 x+αsin x=2 α-7 has a solution. Then, S is equal to
50:47 19) All possible values of θ belongs to [0,2π] for which sin2θ + tan2θ greater than 0, lie in
58:52 20) The number of roots of the equation, (81)^sin ^2 x+(81)^cos ^2 x=30 in the interval (0, π] is equal to

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