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Trigonometry

08/23/24

how does i knot = 1 nautical mile per hour figure into the calculation of this problem

From a ship off-shore, the angle of elevation of a hill is 1.1 degrees. After the ship moves inland at 4.5 knots for 20 MINUTES, the angle of elevation is 1.4 degrees. How high is the hill? the... more

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Trigonometry Math Algebra 1

08/10/24

Calculating Height Using Trigonometric Ratios Given Angles

Given that P is the top and Q is the foot of a tower standing on a horizontal plane, and A and B are two points on this plane such that AB is 30m and QAB is a right-angle, it is found that cot∠PAQ... more

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Trigonometry

08/06/24

Find point A to point B

Points A and B are separated by a lake. To find the distance between them, a surveyor locates a point C on land such than . Find the distance across the lake from A to BNumbers on diagram provided:... more

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Trigonometry

08/05/24

Trigonometry question

To find the distance across a small lake, a surveyor has taken the measurements shown. Find the distance across the lake using this information. Enter your answer as a number; your answer should be... more

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Trigonometry

08/04/24

Word problem using the law of sines

The law of sines. A 150-ft antenna is on top of a building. From a point on the ground, the angle of elevation to the top of the antenna is 28.5 degrees, while the angle of elevation to the bottom... more

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Trigonometry

08/02/24

Trigonometry quadrilateral

The four sequential sides of a quadrilateral have lengths , , , and (all measured in yards). The angle between the two smallest sides is . What is the area of this figure?

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Trigonometry Geometry

07/25/24

Isosceles Triangle: Exact Value of ε?

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Answers •2

Trigonometry Precalculus

07/21/24

Solve 7 sin (2a) + 10 cos (a) = 0 for all solutions 0 ≤ a < 2π. Give your answers separted by commas. Round answers to at least two decimal places. a=?

Would someone be able to explain this process? Thank you so much!

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Trigonometry

07/19/24

Given Resultant of Two Forces

Two forces of 17 N and 11 N have a resultant force of 25 N. What's the angle between the two forces?

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Trigonometry Calculus Geometry

07/09/24

Plane Curve with Constant Angle

Find a plane curve starting at (1,0) with a constant angle α = 75° between the tangent and position vector at each point.

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Trigonometry

07/05/24

Sketch the parametric curve for x=6cost and y=2sint for 0≤t≤2π. Indicate the direction of motion.

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Answers •2

Trigonometry

07/02/24

Help on question

A Ferris wheel is boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The function H(t)=−20cos(π38t)+25 gives... more

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Trigonometry

06/25/24

Pre Calculus Question

2tanx/1-tan^2x = 1/square root of 3; what are the values of x

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Trigonometry

06/21/24

Which of the following is equivalent to sec β sin ( α + β ) for all values of α and β for which sec β sin ( α + β ) is defined?

Which of the following is equivalent to secβsin(α+β) for all values of α and β for which secβsin(α+β) is defined?

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Trigonometry Math Precalculus

06/18/24

Prove the law of sines

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Trigonometry Math Calculus

06/11/24

Maximum of a Trigonometric Function (Calculus)

For the function h(t)=e-tsin(t), state the first maximum and when it occurs.

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Answers •1

Trigonometry Math Calculus

06/11/24

Derivatives of Trigonometric Functions (Equation of a Tangent Line)

Find the equation of the line tangent to f(x)=2sin(x)cos(x) at x=5π/18. Round your slope and y-intercept to 2 decimal places.(I've got the derivative figured out: f'(x)=-2sin2(x)+2cos2(x), but I... more

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Trigonometry Math Calculus

06/11/24

Derivatives of Trigonometric Functions Help

The voltage of a power supply is given by the equation V(t)=100sin(4πt)+40. State the maximum voltage and the times when it occurs.(I'm fairly confident that I have the derivative correct:... more

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Trigonometry

06/07/24

Write a Sine Function

Write a sine function that has a midline of y= -4, an amplitude of 4 and a period of 7.

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Trigonometry

06/06/24

Identify the measure of arc UV◠.

Identify the measure of arc UV◠. arc UV = 12° arc UV = 24° arc UV = 45° arc UV = 69°

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Answers •2

Trigonometry

05/29/24

What is the odds of picking numbers 1 through 10 IN ORDER unseen from a pot? (only numbers are 1,2,3,4,5,6,7,8,9,10).

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Answers •3

Trigonometry Geometry Precalculus

05/27/24

Triangle with Difference of Two Angles Given

About triangle ABC, we know b = 7 inches, c = 6 inches, and β-γ = 15° [where α = ∠A, β = ∠B, and γ = ∠C]. Calculate α, β, and γ.

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Trigonometry

05/20/24

A pole that is 2.9 tall casts a shadow that is 1.45 long. At the same time, a nearby tower casts a shadow that is 38.25 long. How tall is the tower?

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Trigonometry Math Algebra 1 Geometry

05/15/24

Are you able to teach other mathematics subjects?

Depending on the type of math and lessons you're seeking , I'm happy to assist with looking at your book lessons and school assignments .I have taken up to calculus courses in college and I'm more... more

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Trigonometry

05/11/24

prove value for c^2 in triangle abc

prove c2=a2cos(2A)+b2(cos(2B)+2ab(cos(A-B)

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Answers •2

how does i knot = 1 nautical mile per hour figure into the calculation of this problem

Calculating Height Using Trigonometric Ratios Given Angles

Find point A to point B

Trigonometry question

Word problem using the law of sines

Trigonometry quadrilateral

Isosceles Triangle: Exact Value of ε?

Solve 7 sin (2a) + 10 cos (a) = 0 for all solutions 0 ≤ a < 2π. Give your answers separted by commas. Round answers to at least two decimal places. a=?

Given Resultant of Two Forces

Plane Curve with Constant Angle

Sketch the parametric curve for x=6cost and y=2sint for 0≤t≤2π. Indicate the direction of motion.

Help on question

Pre Calculus Question

Which of the following is equivalent to sec β sin ( α + β ) for all values of α and β for which sec β sin ( α + β ) is defined?

Prove the law of sines

Maximum of a Trigonometric Function (Calculus)

Derivatives of Trigonometric Functions (Equation of a Tangent Line)

Derivatives of Trigonometric Functions Help

Write a Sine Function

Identify the measure of arc UV◠.

What is the odds of picking numbers 1 through 10 IN ORDER unseen from a pot? (only numbers are 1,2,3,4,5,6,7,8,9,10).

Triangle with Difference of Two Angles Given

A pole that is 2.9 tall casts a shadow that is 1.45 long. At the same time, a nearby tower casts a shadow that is 38.25 long. How tall is the tower?

Are you able to teach other mathematics subjects?

prove value for c^2 in triangle abc

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