Verified Solution • 2025–26 Session moderate

QJEEM09Ma4054: JEE Main 2009 Mathematics - Class 11 JEEM09Ma4054 Solution: Let A and B denote the statements A : cos ⁡ α + cos ⁡ β + cos ⁡ …

Let A and B denote the statements

A: $\cos α + \cos β + \cos γ = 0$

B: $\sin α + \sin β + \sin γ = 0$

If $\cos (β - γ) + \cos (γ - α) + \cos (α - β) = - \frac{3}{2},$ then:

Multiple Choice Options

A A is false and B is true
B both A and B are true
C both A and B are false
D A is true and B is false

Step-by-Step Verified Solution

AIEEE 2009 Mathematics - Trigonometric Ratio and Identites Question 52 English Explanation

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank

Browse year-wise authentic previous years' questions with solutions

Authentic CBT Mock Tests

Simulate official exam environment with live timer and percentile scoring