Published by:
CGP EDU Academic Team
Published on: August 11, 2026
SECTION 3 (Maximum Marks: 12)
• This section contains TWO paragraphs.
• Based on each paragraph, there are TWO questions.
• Each question has FOUR options
A
, sin(P + Q) 
B
, sin 2R 
C
and sin(P + R) 
D
. ONLY ONE of these four options is correct. • For each question, marks will be awarded in one of the following categories: Full Marks : +3 If only the bubble corresponding to the correct option is darkened. Zero Marks : 0 In all other cases. PARAGRAPH 1 Let O be the origin, and 
be three unit vectors in the directions of the sides 
, respectively, of a triangle PQR. 
sin(Q + R) If the triangle PQR varies, then the minimum value of cos(P + Q) +cos(Q + R) +cos (R + P) is 
be three unit vectors in the directions of the sides , respectively, of a triangle PQR. sin(Q + R) If the triangle PQR varies, then the minimum value of cos(P + Q) +cos(Q + R) +cos (R + P) is
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(i)
(ii)
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