Find the angle in equation:
z=[e-o.1s]/s........I don't know that it is about laplace or complex no. but quest says Find the angle.....
Answer is given there:-90-(0.1ω*180/π)
Please solve it...
I cannot make sense of what you have posted. Please post the question exactly as it's worded in your book.
Click on the link in my signature to learn how to typest equations .... I assume by e-o.1s you mean $\displaystyle e^{0.1s}$ which can also be typed simply as e^(0.1s).