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Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 21 (Q.No. 9)
Exam Questions Papers
9.
A function is given f(t) = sin2t + cos2t. Which of the following is true?
f has frequency components at 0 and 1/2p Hz
f has frequency components at 0 and 1/p Hz
f has frequency components at 1/2p and 1/p Hz
f has frequency components at 0, l/2p and 1/p Hz
Answer: Option
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