Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Given that cos2 m θ cos2 m+1 θ …. cos 2 n θ = 
where 2 m θ ≠ k π , m, n, k ∈ I
Now Answer the following
Correct Answers for Comprehension Sub-Questions
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(i)
sin 
sin 
sin 
= sin 
sin 
sin 
= cos 
cos 
cos 
= – cos 
cos 
cos 
= 
= 
(ii)
cos 2 3 
. cos 2 4 
…… cos2 10 
= 
= 
(iii)
cos 
. cos 
….. cos 
= 
= 
= 
= 
= 
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