IT102 Chapter 12 Homework Fall 2019 Homework Instructions: Timing: Submit your homework to Bb by 11:30pm of the day it is due in order to ensure that it has passed through Bb’s gates and is ready to process before the end of the day. The last document you submit on time is the one Bb will grade. NO LATE HOMEWORK IS ACCEPTED FOR ANY REASON NOTE: If some documented medical situation interferes with your ability to get your work in on time, notify your instructor. Late homework is never graded; however, your instructor needs to know about your circumstances so that he/she can work with you to find the best options. Instructions for the layout of your Homework Document: Most of your HW solutions can be hand-written or typed into an application such as Word. You will need to scan or take a photo of any hand-written work and insert into the word document. Please ensure that the image is legible. The final document must be in PDF format. If you do not know how to create a PDF document, call or visit GMU’s ITS Support or a VSE lab with a student assistant. Show ALL of your work in order to get credit. There is a Power Point example of a HW submission on Bb under “Help with Course Materials” on the “Syllabus and Course Information” site . 1. Given the following right triangle with x = 6,and y = 8, calculate r and then calculate each of the six trig functions for θ. Show your work to get any credit for this problem. 2. A cell tower is 50 feet tall, Its signal hits the ground at an 80 degree angle. You should use a trig table (or your calculator) to find the particular trig function value you need to answer the following questions. Round your answers to 2 decimal places. a) How long is the signal? b) When the signal hits the ground, how far is it from the base of the building? 1 IT102 Chapter 12 Homework Fall 2019 3. Draw the graphs of these trig functions and insert photos/screen shots of the graphs in your HW document. a.) b.) c.) d.) y = sin (2x) y = 2cos (2x) y = 2 sin (x) y = tan(x) 4. Does cot(x) + tan(x) = csc(x) * sec(x) ? PROVE IT! You can add lines to this table. Reason cot(x) + tan(x) Original Expression 2
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