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Quiz for MATH 1321 - Trigonometry at Texas Tech (TTU)

Quiz Information

Material Type:Quiz 9
Professor:Staff
Class:MATH 1321 - Trigonometry
Subject:MATHEMATICS
University:Texas Tech University
Term:Fall 2002
Keywords:
  • Following Statement
  • Instructions
  • Trigonometric
  • True or False
  • Trigonometry
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Math 1321 Quiz 9 Name: October 30, 2002 Instructions: 1. Be sure to show all your work, NO WORK = NO CREDIT!! 2. Read all questions carefully and be sure to give the result wanted. 3. Box in or highlight your final answer. NO BOX = NO CREDIT 1. Exercise 5.1, Problem 8: Use the eight fundamental relations to write the following as a single trigonometric expression of some angle. radicalBigg 1?cos2 parenleftbigg9pi 4 parenrightbigg Solution: radicalBigg 1?cos2 parenleftbigg9pi 4 parenrightbigg = radicalBigg sin2 parenleftbigg9pi 4 parenrightbigg = sin parenleftbigg9pi 4 parenrightbigg 2. Exercise 5.1, Problem 16: Decide if the following statement is true or false using the eight fundamental relations. If it is true, cite proof. If it is false, correct it. cos7B sin7B = cotB Solution: cos7B sin7B = cot7B negationslash= cotB To correct the problem, change cotB to cot7B. 3. Exercise 5.1, Problem 28: Decide if the following statement is true or false using the eight fundamental...
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