A surveyor standing 50 feet from the base of a large tree measures the angle as 78.9°. How accurately must the angle be measured if the percent error in estimating the height of the tree is to be less than 9%? (Round your answer to three decimal places.) |d?| ≤   radians

Q: 20° 9 Not drawn to scale

A:

Q: A roofline shows a span of 12 feet across a sloped roof, and this span is accompanied by a 2-foot…

A: Given figure:

Q: Juan works in a tower overlooking the ocean. From a point on his tower at 200 feet above water…

A: Referring to the above figure. Let AC be the tower and Juan be at point A and let the initial…

Q: Use a calculator to find the following. Round your answers to four decimal places.      cot 390…

A: cot390°

Q: Find x. Round your answer to the nearest tenth of a degree. 15 x = [• on

A:

Q: Assuming that a 350-foot tall giant redwood grows vertically, if I walk a certain distance from the…

A: We will use trigonometric ratios to find the answer

Q: hat is the exact radian angle measure for 37 degrees as a fraction of pi ? The decimal…

A: Consider the given angle.

Q: A surveyor standing 50 feet from the base of a large tree measures the angle as 64.7°. How…

A:

Q: In a right triangle, the longer leg is exactly v3 times the length of the shorter leg. Use the…

A: Given,  Longer leg is exactly 3 times the length of the shorter leg.  Using the inverse tangent…

Q: For the diagram below, which primary trigonometric ratio would you pick to solve for the unknown…

A: Using right angle triangle property   Cos 32= base / hypotanous

Q: For the diagram below, which primary trigonometric ratio would you pick to solve for the unknown…

A:

Q: From the following figure, if b 9 feet, a 2 feet and c V85 feet, then the value of tan 0-cot e

A:

Q: An airplane climbs at an angle of 32° at an average speed of 610 mph. How long will it take for the…

A: airplane climbs at at angle 32 degrees average speed = 610 mph altitude= 3.2 mil

Q: The Moon was was 362,399 km from Earth.The moon's true diameter is 3,474 km.Use the following…

A: The distance between the Earth and the Moon is 362,399 km. The true diameter of the moon is 3,474…

Q: Jessica is using the image below to derive a formula for arc length. If x is measured in radians,…

A:

Q: find X and round answer to the nearest tenth of a degree

A: From figure its clear that given triangle is Right angle triangle.Therefore apply the Sine Rule for…

Q: Write down the value of the following t- ratios a. sin A b. sin B c. Comment on the answers of part…

A:

Q: For the diagram below, which primary trigonometric ratio would you pick to solve for the unknown…

A:

Q: Find x. Round your answer to the nearest tenth of a degree. 21 X = 19

A:

Q: Use a nearest tenth. trigonometric ratio to find the value of x. Round your answer to the 40

A: Given: To find: The value of x

Q: Find the value of x, rounded to the nearest degree. 21 of 15

A:

Q: Estimate " sin?xdx using a.) R4 b.) L4 c.) M4. Round to 4 decimal places.

A:

Q: A pendulum swings through an angle of 20° each second. If the pendulum is 40 inches long, how far…

A: Pendulum forms a circular arc.We know the formula - Angle subtended = ArcRadius…

Q: Use a calculator to find the following. Round your answers to four decimal places.      tan 420…

A: Given:  tan420°tan360°+θ=tanθ

Q: Consider the triangle shown below. If Ø increases at a constant rate of 3 radians per minute, at…

A:

Q: A kite 100ft above the ground moves horizontally at a speed of 8ft/s. At what rate is the angle…

A: Given Kite flies at the height of 100ft  horizontal speed of kite is 8ft/s To find the rate of angle…

Q: Convert the following degree measures to radians. Leave answers as multiples of π 320°

A: Convert the following degree measures to radians. Leave answers as multiples of π           320°

Q: pts 5. A person stands 25 feet from the base of a building and measures the angle of elevation to…

A: Height of the bulding is

Q: Convert the degree measure to radian measure as a multiple of ? and as a decimal rounded to three…

A: Part a,Given,           30°

Q: The question says Use a trigonometric ratio to find the value of X. Round your answer to the nearest…

A: The explanation of the solution as follows:

Q: For the diagram below, which primary trigonometric ratio would you pick to solve for the unknown…

A:

Q: You are looking up at a 5 ft. tall flag pole at an angle of 36°. Using the sketch below (not drawn…

A: Given that right angle triangles and we know that trigonometry ratio is  tan(angle) =…

Q: Find the value of x to the nearest degree. 8. 13

A: Given: Perpendicular=8 Hypotenuse=13

Q: 11 Find the degrees if the radians are Set up the proportion, and solve, showing at least 3 lines of…

A: Radians to degree can be converted using the following rule, We can convert radians to degrees and…

Q: A flywheel with a diameter of 14 cm is rotating at a rate of 9 radians per second. What is the…

A: r= radius

Q: For the diagram below, which primary trigonometric ratio would you pick to solve for the unknown…

A: From the triangle given with right angle

Q: Use a calculator to find the following. Round your answers to four decimal places.      tan 143.4…

A:

Q: Find the following values. Round answers to 3 decimal places as needed. csc(-13°)~ sec(5)≈ tan( -8)…

A: Basic trigonometric transformations are required

Q: Use a calculator to approximate the value (in radians). Round your answer to two decimal places.…

A:

Q: Which Trigonometric Ratio did you apply above? What is the value of the variable W? What is the…

A:

Q: Use the image below. What trig function would have the ratio 24/26 using reference angle A? B 26 24…

A: We know from the definition of trigonometric function that for the right angle triangle…

Q: In the triangle shown above, if e increases at a constant rate of 3 radians per minute, at what rate…

A: When x =3 x2+y2 =52 Therefore, y =52-x2  y =4

Q: A ship sailed from a port with a bearing of S22 degrees E. How far south has the ship traveled after…

A: Given, a ship sailed from a port with a bearing of S22° E. How far south has the ship traveled after…

Q: For the diagram below, which primary trigonometric ratio would you pick to solve for the unknown…

A:

Q: Find x. Round your answer to the nearest tenth of a degree. 51 %3D 24

A:

Q: A pitched roof has a slope (rise/run) of 3/5.  What acute angle does the roof make with the…

A: given roof has a slope of 3/5. we know that slope of roof is,

Q: Find x. Round your answer to the nearest tenth of a degree. 14 %3D 22

A:

Q: The proper angle for a ladder is about 75° from the ground. Suppose the ladder is 29 feet long. How…

A:

Q: 13T radians? 18 What is the degree measure of

A:

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.