Math 1330 Precalculus Electronic Homework EHW 4 Sections 43

Math 1330 Precalculus Electronic Homework (EHW 4) Sections 4.3, 4.4 Work the following problems and choose the correct answer. The problems that refer to the Textbook may be found at www.casa uh.edu in the Online Textbook under the Exercises link in the appropriate section. Record your answers by logging into your CASA account, go to the EMCF link in the top menu bar, selecting the appropriate assignment in the EMCF menu and recording your choices on the EMCF form. You MUST record your answers by the deadline given. No late homework will be accepted. Problem 4.3.12 refers to problem 12 in Chapter 4, Section 3 from the online text. Find 3 angles, one nega ve and ositive, nat are cote inal with 1. Problem 4.3.12 (a) Each angle Below. 14T 13n 2n. 10m 2T 13n 3\' 3 3 3\' 3\' 3 F. None of the above 3 3 3 2. Problem 8: Give the reference angle for each a) 3 e) 15 D )-120 A. 4s0, 300, 30 B. 45, 30, -606 C. 456, 300, 600 D. -45°, 300, 60 E. 450, 600, 300 F. None of the above Page 1 of 4

Solution

Given angle is 8pi/3

Positive coterminal angle is 8pi/3 -2pi =2pi/3, 8pi/3+2pi=14pi/3

Negative coterminal is 8pi/3-4pi =-4pi/3

Correct option is D