per2.Dec.2011.chap7 review game

# per2.Dec.2011.chap7 review game - Chapter 7 Review By Group...

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Chapter 7 Review By: Group 7

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Question 1 sin π/6 + sin π/4

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Question 2 Write an equivalent expression using the related acute angle tan 5 π/4

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Question 3 Rewrite as a single trig ratio cos4x*cos3x - sin4x*sin3x

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Question 4 Rewrite as a single trig ratio and then evaluate tan170 - tan110 1 + tan170*tan110
Answer 4 tan 60 = √3

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Question 5 Using the appropriate compound angle formula determine the exact value for each expression Tan( π/3-π/6)
Answer 5 Square root of 3/3

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Question 6 Using appropriate compound angle formula to create an equivalent expression Cos(x+ 3 π/2)

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Question 7 If sin x=4/5 and sin y=-12/13, 0<x< π/2, 3π/2<y<2π evaluate Cos(x+y)

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Question 8 If sin x=4/5 and sin y=-12/13, 0<x< π/2, 3π/2<y<2π evaluate Sin(x-y)

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Question 9 If sin x=4/5 and sin y=-12/13, 0<x< π/2, 3π/2<y<2π evaluate Tan(x-y)

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Question 10 Simplify sin( π+x) + sin(π-x)

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Question 11 Prove cos C - cos D=

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## This note was uploaded on 01/14/2012 for the course MAT 107 taught by Professor Sda during the Spring '11 term at Beacon FL.

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per2.Dec.2011.chap7 review game - Chapter 7 Review By Group...

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