Problem 1CP: Check Point 1 Find the value of each of the six trigonometric functions of in the figure. Problem 2CP: Check Point 2 Find the value of each of the six trigonometric functions of in the figure. Express... Problem 3CP Problem 4CP: Check Point 4 Use Figure 4.35 to find tan 60° and tan 30°. If a radical appears in a denominator,... Problem 5CP: Check Point 5 Find a cofunction with the same value as the given expression:
... Problem 6CP: Check Point 6 The irregular blue shape in Figure 4.39 represents a lake. The distance across the... Problem 7CP Problem 1CVC: Fill in each blank so that the resulting statement is true. Using lengths a, b, and c in the right... Problem 2CVC Problem 3CVC Problem 4CVC Problem 1PE: In Exercises 1-8, use the Pythagorean Theorem to find the length of the missing side of each right... Problem 2PE: In Exercises 1-8, use the Pythagorean Theorem to find the length of the missing side of each right... Problem 3PE: In Exercises 1-8 use the Pythagorean Theorem to find the length of the missing side of each right... Problem 4PE: In Exercises 1-8, use the Pythagorean Theorem to find the length of the missing side of each right... Problem 5PE: In Exercises 1-8, use the Pythagorean Theorem to find the length of the missing side of each right... Problem 6PE: In Exercises 1-8, use the Pythagorean Theorem to find the length of the missing side of each right... Problem 7PE: In Exercises 1-8, use the Pythagorean Theorem to find the length of the missing side of each right... Problem 8PE: In Exercises 1-8, use the Pythagorean Theorem to find the length of the missing side of each right... Problem 9PE: In Exercises 9-16, use the given triangles to evaluate each expression. If necessary, express the... Problem 10PE: In Exercises 9-16, use the given triangles to evaluate each expression. If necessary, express the... Problem 11PE: In Exercises 9-16, use the given triangles to evaluate each expression. If necessary, express the... Problem 12PE: In Exercises 9-16, use the given triangles to evaluate each expression. If necessary, express the... Problem 13PE: In Exercises 9-16, use the given triangles to evaluate each expression. If necessary, express the... Problem 14PE: In Exercises 9-16, use the given triangles to evaluate each expression. If necessary, express the... Problem 15PE: In Exercises 9-16, use the given triangles to evaluate each expression. If necessary, express the... Problem 16PE: In Exercises 9-16, use the given triangles to evaluate each expression. If necessary, express the... Problem 17PE: In Exercises 9-20, use the given triangles to evaluate each expression. If necessary, express the... Problem 18PE: In Exercises 9-20, use the given triangles to evaluate each expression. If necessary, express the... Problem 19PE: In Exercises 9-20, use the given triangles to evaluate each expression. If necessary, express the... Problem 20PE: In Exercises 9-20, use the given triangles to evaluate each expression. If necessary, express the... Problem 21PE: In Exercises 31-38, find a cofunction with the same value as the given expression,
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Problem 22PE: In Exercises 31-38, find a cofunction with the same value as the| given expression.
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Problem 23PE: In Exercises 31-38, find a cofunction with the same value as the| given expression. csc25 Problem 24PE: In Exercises 31-38, find a cofunction with the same value as the given expression.
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Problem 25PE: In Exercises 31-38, find a cofunction with the same value as the| given expression. tan9 Problem 26PE: In Exercises 31-38, find a cofunction with the same value as the| given expression.
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Problem 27PE: In Exercises 31-38, find a cofunction with the same value as the given expression.
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Problem 28PE: In Exercises 31-38, find a cofunction with the same value as the given expression, cos38 Problem 29PE: In Exercises 49-54, find the measure of the side of the right triangle whose length is designated by... Problem 30PE: In Exercises 49-54, find the measure of the side of the right triangle whose length is designated by... Problem 31PE: In Exercises 49-54, find the measure of the side of the right triangle whose length is designated by... Problem 32PE: In Exercises 49-54, find the measure of the side of the right triangle whose length is designated by... Problem 33PE: In Exercises 49-54, find the measure of the side of the right triangle whose length is designated by... Problem 34PE: In Exercises 49-54, find the measure of the side of the right triangle whose length is designated by... Problem 35PE: In Exercises 55-58, use a calculator to find the value of the acute angle to the nearest... Problem 36PE: In Exercises 55-58, use a calculator to find the value of the acute angle to the nearest... Problem 37PE: In Exercises 55-58, use a calculator to find the value of the acute angle to the nearest degree.... Problem 38PE: In Exercises 55-58, use a calculator to find the value of the acute angle to the nearest degree.... Problem 39PE: In Exercises 59-62, use a calculator to find the value of the acute angle in radians, rounded to... Problem 40PE: In Exercises 59-62, use a calculator to find the value of the acute angle in radians, rounded to... Problem 41PE: In Exercises 59-62, use a calculator to find the value of the acute angle in radians, rounded to... Problem 42PE: In Exercises 59-62, use a calculator to find the value of the acute angle in radians, rounded to... Problem 43PE: In Exercises 63-68, find the exact value of each expression. Do not use a calculator.
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Problem 44PE: In Exercises 63-68, find the exact value of each expression. Do not use a calculator.
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Problem 45PE: In Exercises 63-68, find the exact value of each expression. Do not use a calculator.
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Problem 46PE: In Exercises 63-68, find the exact value of each expression. Do not use a calculator.
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Problem 47PE: In Exercises 63-68, find the exact value of each expression. Do not use a calculator.... Problem 48PE: In Exercises 63-68, find the exact value of each expression. Do not use a calculator.
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Problem 49PE: In Exercises 69-70, express the exact value of each function as a single fraction. Do not use a... Problem 50PE: In Exercises 69-70, express the exact value of each function as a single fraction. Do not use a... Problem 51PE: If is an acute angle and cot=14, find tan(3). Problem 52PE: If is an acute angle and cos=13, find csc(2). Problem 53PE: 73. To find the distance across a lake, a surveyor took the measurements shown in the figure. Use... Problem 54PE: 74. At a certain time of day, the angle of elevation of the Sun is . To the nearest foot, find the... Problem 55PE: 75. A tower that is 125 feet tall casts a shadow 172 feet long. Find the angle of elevation of the... Problem 56PE: 76. The Washington Monument is 555 feet high. If you are standing one quarter of a mile, or 1320... Problem 57PE: 77. A plane rises from take-off and flies at an angle of with the horizontal runway. When it has... Problem 58PE: A road is inclined at an angle of 5. After driving 5000 feet along this road, find the drivers... Problem 59PE: A telephone pole is 60 feet tall. A guy wire 75 feet long is attached from the ground to the top of... Problem 60PE: 80. A telephone pole is 55 feet tall. A guy wire 80 feet long is attached from the ground to the top... Problem 61PE: 81. If you are given the lengths of the sides of a right triangle, describe how to find the sine of... Problem 62PE: 82. Describe one similarity and one difference between the definitions of and , where is an acute... Problem 63PE: 83. Describe the triangle used to find the trigonometric functions of .
Problem 64PE: 84. Describe the triangle used to find the trigonometric functions of and .
Problem 65PE: Describe a relationship among trigonometric functions that is based on angles that are complements. Problem 66PE: 90. Describe what is meant by an angle of elevation and an angle of depression.
Problem 67PE: Stonehenge, the famous stone circle" in England, was built between 2750 b. c. and 1300 b. c. using... Problem 68PE: 92. Use a calculator in the radian mode to fill in the values in
the following table. Then draw a... Problem 69PE: 93. Use a calculator in the radian mode to fill in the values in the
following table. Then draw a... Problem 70PE: Make Sense? In Exercises 94-97, determine whether each statement makes sense or does not make sense,... Problem 71PE: Make Sense? In Exercises 94-97, determine whether each statement makes sense or does not make sense,... Problem 72PE: Make Sense? In Exercises 70-73, determine whether each statement makes sense or does not make sense,... Problem 73PE: Make Sense? In Exercises 94-97, determine whether each statement makes sense or does not make sense,... Problem 74PE: In Exercises 98-101, determine whether each statement is true or false. If the statement is false,... Problem 75PE: In Exercises 98-101, determine whether each statement is true or false. If the statement is false,... Problem 76PE: In Exercises 98-101, determine whether each statement is true or false. If the statement is false,... Problem 77PE: In Exercises 98-101, determine whether each statement is true or false. If the statement is false,... Problem 78PE: 102. Explain why the sine or cosine of an acute angle cannot be greater than or equal to 1.
Problem 79PE: 103. Describe what happens to the tangent of an acute angle as the angle gets close to .
Problem 80PE: From the top of a 250-foot lighthouse, a plane is sighted overhead and a ship is observed directly... Problem 81PE: 105. Solve: ..(Section 1.6. Example 9)
Problem 82PE: Write an equation in slope-intercept form for the line passing through (1,1) and perpendicular to... Problem 83PE: Solve: log4(x29)log4(x+3)=log464.(Section 4.4. Example 8) Problem 84PE: Exercises 108-110 will help you prepare for the material covered in the next section. Use these... Problem 85PE: Exercises 108-110 will help you prepare for the material covered in the next section. Use these... Problem 86PE: Exercises 108-108 will help you prepare for the material covered in the next section. Use these... format_list_bulleted