![How to calculate the value of the sine, cosine, tangent and cotangent of the angle 0°, 30°, 45°, 60° and 90°. The fingers are numbered sequentially numbers N={0, 1, 2, 3, 4} : r/educationalgifs How to calculate the value of the sine, cosine, tangent and cotangent of the angle 0°, 30°, 45°, 60° and 90°. The fingers are numbered sequentially numbers N={0, 1, 2, 3, 4} : r/educationalgifs](https://preview.redd.it/u2xy172lflv21.gif?format=png8&s=a5864ac734c527e4ec13dba0d7499b76a0f39da1)
How to calculate the value of the sine, cosine, tangent and cotangent of the angle 0°, 30°, 45°, 60° and 90°. The fingers are numbered sequentially numbers N={0, 1, 2, 3, 4} : r/educationalgifs
![SOLVED: Problem #3: Let Z N(0, 1) and X N-1,4). (a) Calculate E[Z4]: b) Calculate E[X4] (hint: try expressing X as function of Z, and note E[Z"] = 0 whenever n is SOLVED: Problem #3: Let Z N(0, 1) and X N-1,4). (a) Calculate E[Z4]: b) Calculate E[X4] (hint: try expressing X as function of Z, and note E[Z"] = 0 whenever n is](https://cdn.numerade.com/ask_images/7f65cea19df548a6be025264e77e922a.jpg)
SOLVED: Problem #3: Let Z N(0, 1) and X N-1,4). (a) Calculate E[Z4]: b) Calculate E[X4] (hint: try expressing X as function of Z, and note E[Z"] = 0 whenever n is
![Homework 3 1. Suppose we have two four-point sequences x[n] and h[n] as follows: (a) Calculate the four-point DFT X[k]. (b) Calculate the four-point DFT. - ppt download Homework 3 1. Suppose we have two four-point sequences x[n] and h[n] as follows: (a) Calculate the four-point DFT X[k]. (b) Calculate the four-point DFT. - ppt download](https://slideplayer.com/slide/12989375/79/images/3/Homework+3+Solution+%28cont.%29%3A+%28c%29+y%5Bn%5D+%3D+x%5Bn%5D+4+h%5Bn%5D+%3D+..jpg)