Question: Using MATLAB: Problem 4: P4 = ( (1/(750K)) + (1/(375K)) + (1/(250K)) )^ (-1) Problem 7: Plot the following equation: = 0.5 + 0.75 cos

Using MATLAB:

Problem 4:

P4 = ( (1/(750K)) + (1/(375K)) + (1/(250K)) )^ (-1)

Problem 7:

Plot the following equation: = 0.5 + 0.75 cos . The angle goes from 0 to 90

degrees in increments of 5. Label the axis of the graph in your script angle vs amplitude.

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