Homework ploblem 1.Please exlain thoroughly. I missed class and can't seem to find anything on youtube. • Homemade 1: Convert the following functions to amplitude-phase-angle form:3 cos(5t) + 8 sin(5t), –2 cos(3t) + 4 sin(3t)• Homemade 2: Convert the following complex numbers to polar form re".—2 — 5і, 7 — 6і• In both home-made problems give decimal approximations accurate to 5 decimal places.

1. Given, 3 cos (5t)+8sin(5t), -2cos(3t)+4sin(3t)

Answered: the ing nase-angle 3 cos(5t) + 8…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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You may need to use the appropriate appendix table to answer this question. Alexa is the popular virtual assistant developed by Amazon. Alexa interacts with users using artificial intelligence and voice recognition. It can be used to perform daily tasks such as making to-do lists, reporting the news and weather, and interacting with other smart devices in the home. In 2018, the Amazon Alexa app was downloaded some 2,800 times per day from the Google Play store.† Assume that the number of downloads per day of the Amazon Alexa app is normally distributed with a mean of 2,800 and standard deviation of 860. (a) What is the probability there are 1,900 or fewer downloads of Amazon Alexa in a day? (Round your answer to four decimal places.) (b) What is the probability there are between 1,600 and 2,400 downloads of Amazon Alexa in a day? (Round your answer to four decimal places.) (c) What is the probability there are more than 2,900 downloads of Amazon Alexa in a day? (Round…
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the ing nase-angle 3 cos(5t) + 8 sin(5t), –2 cos(3t)+4 sin(3t)