tm6_a - MAC 1114 Module Test 6...

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Unformatted text preview: MAC 1114 Module Test 6 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Find the exact value by using a sum or difference identity. 1) tan π 12 A)- 2- 3 B) 2- 3 C)- 2 + 3 D) 2 + 3 Answer: B Objective: (5.4) Use Sum/Diff Identities to Find Sin/Tan Value Using a sum or difference identity, write the following as an expression involving functions of x. 2) tan x + π 6 A) 1 + 3 tan x 3- tan x B)- tan x C) tan x- 3 1 + 3 tan x D) tan x Answer: A Objective: (5.4) Express as Function of x Find the exact value of the expression using the provided information. 3) Find sin(A- C) given that cos A = 1 3 , with A in quadrant I, and sin C = 1 4 , with C in quadrant II. A)- 12 30- 1 2 B)- 2 30- 1 12 C)- 12 2- 1 30 D)- 30 2- 1 12 Answer: B Objective: (5.4) Use Sum/Diff Identities for Sine and Tangent Use a sum or difference identity to ¡nd the exact value. 4) tan π 15 + tan 4 π 15 1- tan π 15 tan 4 π 15 A) 3 2 B) 3 C) 1 2 D) 3 3 Answer: B Objective: (5.4) Find Exact Value of Trig Expression II (Radians) Decide whether the expression is or is not an identity. 5) tan (A + π 2 ) = - cot A A) Not an identity B) Identity Answer: B Objective: (5.4) Determine if Trig Equation is Identity I 1 Use...
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This note was uploaded on 10/18/2011 for the course MAC 1114 taught by Professor Russel during the Summer '08 term at Valencia.

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tm6_a - MAC 1114 Module Test 6...

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