DSP 1

Question 1

cos(0)

Answer 1

1

Question 2

cos(pi)

Answer 2

-1

Question 3

cos(pi/2)

Answer 3

0

Question 4

cos(3pi/2)

Answer 4

0

Question 5

cos(2pi)

Answer 5

1

Question 6

sin(0)

Answer 6

0

Question 7

sin(pi/2)

Answer 7

1

Question 8

sin(pi)

Answer 8

0

Question 9

sin(3pi/2)

Answer 9

-1

Question 10

sin(2pi)

Answer 10

0

Question 11

Answer 11

sin(x)

Question 12

Answer 12

cos(x)

Question 13

sin(π/4)

Answer 13

sqrt(2)/2

Question 14

cos(π/4)

Answer 14

sqrt(2)/2

Question 15

sin(π/3)

Answer 15

sqrt(3)/2

Question 16

cos(π/3)

Answer 16

1/2

Question 17

What is another way of writing the following using Euler’s Formula:

e^jx = ?

Answer 17

e^jx = cos(x) + j sin(x)

Question 18

What is the magnitude of

e^jx ?

Answer 18

|e^jx|=cos(x)

Question 19

What is the closed form solution for the geometric series?

Answer 19