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Find the exact value of the expression. Do not use a calculator. - tan150cos210\tan 150 ^ { \circ } \cos 210 ^ { \circ }


A) 23+36\frac { 2 \sqrt { 3 } + 3 } { 6 }
B) 33+236\frac { 3 \sqrt { 3 } + 2 \sqrt { 3 } } { 6 }
C) 3+12\frac { \sqrt { 3 } + 1 } { 2 }
D) 536- \frac { 5 \sqrt { 3 } } { 6 }

E) A) and B)
F) A) and C)

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Solve the problem. -The blade of a windshield wiper sweeps out an angle of 135135 ^ { \circ } in one cycle. The base of the blade is 12 inches from the pivot point and the tip is 32 inches from the pivot point. What area does the wiper cover in one cycle? (Round to the nearest 0.10.1 square inch.)


A) 1041.81041.8 in 2^ { 2 }
B) 1105.3in21105.3 \mathrm { in } ^ { 2 }
C) 948.3948.3 in 2^ { 2 }
D) 1036.7in21036.7 \mathrm { in } ^ { 2 }

E) C) and D)
F) All of the above

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Use the properties of the trigonometric functions to find the exact value of the expression. Do not use a calculator. - tan40cot40\tan 40 ^ { \circ } \cot 40 ^ { \circ }


A) 1- 1
B) 40
C) 1
D) 0

E) A) and B)
F) All of the above

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Use transformations to graph the function. - y=5cos(πx) y=5 \cos (\pi-x)  Use transformations to graph the function. - y=5 \cos (\pi-x)       A)     B)     C)     D)


A)
 Use transformations to graph the function. - y=5 \cos (\pi-x)       A)     B)     C)     D)

B)
 Use transformations to graph the function. - y=5 \cos (\pi-x)       A)     B)     C)     D)

C)
 Use transformations to graph the function. - y=5 \cos (\pi-x)       A)     B)     C)     D)

D)
 Use transformations to graph the function. - y=5 \cos (\pi-x)       A)     B)     C)     D)

E) All of the above
F) A) and B)

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Convert the angle to D° M' S'' form. Round the answer to the nearest second. - 112.56112.56 ^ { \circ }


A) 1123436112 ^ { \circ } 34 ^ { \prime } 36 ^ { \prime \prime }
B) 1123356112 ^ { \circ } 33 ^ { \prime } 56 ^ { \prime \prime }
C) 1123336112 ^ { \circ } 33 ^ { \prime } 36 ^ { \prime \prime }
D) 1123156112 ^ { \circ } 31 ^ { \prime } 56 ^ { \prime \prime }

E) A) and B)
F) B) and D)

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Graph the function. - y=csc(14x) y = \csc \left( \frac { 1 } { 4 } x \right)  Graph the function. - y = \csc \left( \frac { 1 } { 4 } x \right)     A)    B)    C)    D)


A)
 Graph the function. - y = \csc \left( \frac { 1 } { 4 } x \right)     A)    B)    C)    D)
B)
 Graph the function. - y = \csc \left( \frac { 1 } { 4 } x \right)     A)    B)    C)    D)
C)
 Graph the function. - y = \csc \left( \frac { 1 } { 4 } x \right)     A)    B)    C)    D)
D)
 Graph the function. - y = \csc \left( \frac { 1 } { 4 } x \right)     A)    B)    C)    D)

E) A) and B)
F) All of the above

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In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t. - (398,58) \left( - \frac { \sqrt { 39 } } { 8 } , \frac { 5 } { 8 } \right) \quad Find cost\cos t


A) 395 - \frac { \sqrt { 39 } } { 5 }
B) 58\frac { 5 } { 8 }
C) 83939 - \frac { 8 \sqrt { 39 } } { 39 }
D) 398- \frac { \sqrt { 39 } } { 8 }

E) B) and D)
F) B) and C)

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Choose the one alternative that best completes the statement or answers the question. Use the even-odd properties to find the exact value of the expression. Do not use a calculator. - csc(30) \csc \left( - 30 ^ { \circ } \right)


A) 2
B) 233- \frac { 2 \sqrt { 3 } } { 3 }
C) 2- 2
D) 233\frac { 2 \sqrt { 3 } } { 3 }

E) All of the above
F) C) and D)

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Solve the problem. -If tanθ=0.4\tan \theta = - 0.4 , find the value of tanθ+tan(θ+π) +tan(θ+2π) \tan \theta + \tan ( \theta + \pi ) + \tan ( \theta + 2 \pi ) .


A) 1.2- 1.2
B) 0.80.8
C) 1.2+3π- 1.2 + 3 \pi
D) undefined

E) B) and D)
F) A) and B)

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Find the exact value. Do not use a calculator. - tan60\tan 60 ^ { \circ }


A) 3\sqrt { 3 }
B) 2
C) 32\frac { \sqrt { 3 } } { 2 }
D) 33\frac { \sqrt { 3 } } { 3 }

E) C) and D)
F) B) and D)

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Find an equation for the graph. - Find an equation for the graph. -   A)   y = 5 \cos ( 3 x )   B)   y = 3 \cos \left( \frac { 1 } { 5 } x \right)   C)   y = 5 \cos \left( \frac { 1 } { 3 } x \right)   D)   y = 3 \cos ( 5 x )


A) y=5cos(3x) y = 5 \cos ( 3 x )
B) y=3cos(15x) y = 3 \cos \left( \frac { 1 } { 5 } x \right)
C) y=5cos(13x) y = 5 \cos \left( \frac { 1 } { 3 } x \right)
D) y=3cos(5x) y = 3 \cos ( 5 x )

E) A) and C)
F) A) and B)

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If A denotes the area of the sector of a circle of radius r formed by the central angle θ, find the missing quantity. If necessary, round the answer to two decimal places. - r=9r = 9 feet, A=39A = 39 square feet, θ=\theta = ?


A) 0.480.48 radians
B) 3,159 radians
C) 0.960.96 radians
D) 1,579.51,579.5 radians

E) A) and B)
F) A) and C)

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Use transformations to graph the function. - y=4cosxy=4 \cos x  Use transformations to graph the function. - y=4 \cos x    A)     B)    C)      D)


A)
 Use transformations to graph the function. - y=4 \cos x    A)     B)    C)      D)

B)
 Use transformations to graph the function. - y=4 \cos x    A)     B)    C)      D)
C)
 Use transformations to graph the function. - y=4 \cos x    A)     B)    C)      D)

D)
 Use transformations to graph the function. - y=4 \cos x    A)     B)    C)      D)

E) C) and D)
F) B) and C)

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Name the quadrant in which the angle θ lies. - cotθ<0,cosθ>0\cot \theta < 0 , \quad \cos \theta > 0


A) I
B) II
C) III
D) IV

E) A) and D)
F) A) and C)

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Draw the angle. - 2π3\frac { 2 \pi } { 3 }


A)
 Draw the angle. - \frac { 2 \pi } { 3 }  A)     B)     C)     D)

B)
 Draw the angle. - \frac { 2 \pi } { 3 }  A)     B)     C)     D)

C)
 Draw the angle. - \frac { 2 \pi } { 3 }  A)     B)     C)     D)

D)
 Draw the angle. - \frac { 2 \pi } { 3 }  A)     B)     C)     D)

E) A) and D)
F) A) and B)

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Find the length s. Round the answer to three decimal places. - Find the length s. Round the answer to three decimal places. -  A)   3.84 \mathrm {~m}  B)   2.793 \mathrm {~m}  C)   3.491 \mathrm {~m}  D)   3.142 \mathrm {~m}


A) 3.84 m3.84 \mathrm {~m}
B) 2.793 m2.793 \mathrm {~m}
C) 3.491 m3.491 \mathrm {~m}
D) 3.142 m3.142 \mathrm {~m}

E) A) and D)
F) B) and C)

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Find the exact value. Do not use a calculator. - cosπ\cos \pi


A) 1
B) 1- 1
C) 0
D) undefined

E) B) and C)
F) C) and D)

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Use transformations to graph the function. - y=cosx1y=\cos x-1  Use transformations to graph the function. - y=\cos x-1    A)     B)    C)     D)


A)
 Use transformations to graph the function. - y=\cos x-1    A)     B)    C)     D)

B)
 Use transformations to graph the function. - y=\cos x-1    A)     B)    C)     D)
C)
 Use transformations to graph the function. - y=\cos x-1    A)     B)    C)     D)

D)
 Use transformations to graph the function. - y=\cos x-1    A)     B)    C)     D)

E) A) and B)
F) None of the above

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In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t. - (29,779) \left( \frac { 2 } { 9 } , \frac { \sqrt { 77 } } { 9 } \right) \quad Find sint\sin t


A) 772\frac { \sqrt { 77 } } { 2 }
B) 779\frac { \sqrt { 77 } } { 9 }
C) 27777\frac { 2 \sqrt { 77 } } { 77 }
D) 29\frac { 2 } { 9 }

E) All of the above
F) A) and B)

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Find the exact value of the expression. Do not use a calculator. - cos60+tan60\cos 60 ^ { \circ } + \tan 60 ^ { \circ }


A) 232 \sqrt { 3 }
B) 1+32\frac { 1 + \sqrt { 3 } } { 2 }
C) 332\frac { 3 \sqrt { 3 } } { 2 }
D) 1+232\frac { 1 + 2 \sqrt { 3 } } { 2 }

E) A) and D)
F) C) and D)

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