Electronics and Communication Engineering - Signals and Systems - Discussion
Discussion Forum : Signals and Systems - Section 1 (Q.No. 15)
15.
The period of the function cos 
is
is
8s
4s
Answer: Option
Explanation:
.
Discussion:
8 comments Page 1 of 1.
Roshan said:
7 years ago
For cosine function =2π/b
b is angle i.e. pi/4 = 2* π/(pi÷4)
= 8.
b is angle i.e. pi/4 = 2* π/(pi÷4)
= 8.
(1)
RAUSHAN KUMAR said:
8 years ago
Thanks @Ruksana.
RANJAN KUMAR said:
8 years ago
Thank you all for the explanation.
BHARAT KUMAR KHATIK said:
8 years ago
Thanks @Anvesh.
Anvesh said:
10 years ago
Fundamental time period = (2*pi)/w.
= (2*pi)/(pi/4).
= 8 sec.
= (2*pi)/(pi/4).
= 8 sec.
Mohan said:
1 decade ago
2*pi/T = pi/4.
So T = 8.
So T = 8.
Ruksana ara begum said:
1 decade ago
2*pi*f = pi/4
=> f = 1/8.
=> f = 1/8.
Praveen said:
1 decade ago
How do we get f as 1/8?
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers