A function is given f(t) = sin2t + cos2t. Which of the following is tr – McqOptions

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1.	A function is given f(t) = sin2t + cos2t. Which of the following is true?
A.	f has frequency components at 0 and 1/2p Hz
B.	f has frequency components at 0 and 1/p Hz
C.	f has frequency components at 1/2p and 1/p Hz
D.	f has frequency components at 0, l/2p and 1/p Hz
Answer» C. f has frequency components at 1/2p and 1/p Hz

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