Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The general solution of the equation 2cos2x = 3.2cos 2 x − 4 is
Text Solution
Verified by ExpertsThe correct answer is:
B
2 cos 2x = 6 cos 2 x – 4 ⇒ 2 (2 cos 2 x – 1) = 6 cos 2 x – 4 ⇒ 2 cos 2 x = 2 ⇒ cos 2 x = 1 ⇒ x = n π .
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