9,261 Answered Questions for the topic trigonometry

Trigonometry

06/10/21

Trigonometry help and show work please
The angle of elevation from a boat to the top of a cliff is 33. A sign is directly at the top of the cliff. The angle of elevation from the boat to the top of the sign is 37. If the sign is 40ft... more
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Trigonometry Math Calculus Precalculus

06/10/21

Find the bearing from Port B to the current location of the ship.
A ship left Port A and sailed 122 miles due east to Port B. From Port B, the ship sailed 253 miles northwest and stopped. Find the bearing from Port B to the current location of the ship.
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06/10/21

Find θ if d is 2.6 miles. Round to the nearest tenth.
The radar on a ship picks up two shipwrecks, A and B, 5.12 miles beneath the surface. The distance between the shipwrecks is 1.25 miles. The angle of depression to Shipwreck B depends on the... more
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Trigonometry Math Calculus Precalculus

06/10/21

Determine the value of sin t if t corresponds to an angle in standard position whose terminal side contains the point ( 12, -5 )

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Trigonometry Math Calculus Precalculus

06/10/21

Name a positive and a negative angle coterminal with the angle 4π /3
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Trigonometry

06/10/21

How to explain to a friend the difference between a trigonometric identity and a conditional equation?
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Trigonometry

06/10/21

How to explain to a friend the difference between a trigonometric identity and a conditional equation?
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Trigonometry Math Precalculus

06/10/21

A spring is attached to the ceiling
A spring is attached to the ceiling and pulled 5 cm down from equilibrium and released. After 3 seconds the amplitude has decreased to 3 cm. The spring oscillates 20 times each second. Assume that... more
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Trigonometry Math Precalculus

06/10/21

How far is the Satellite?
The path of a satellite orbiting the earth causes it to pass directly over two tracking stations A and B, which are 70 km apart. When the satellite is on one side of the two stations, the angles of... more
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Trigonometry

06/10/21

Find the quantity of 2v+3w when v=3i-5j and w= -2i+3j
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Trigonometry

06/09/21

How do I plot the complex number in the complex plane and how do I write it out in both polar form and exponential form of 1- square root 3 i

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Trigonometry

06/09/21

Given tan A=5/6 and that angle A is in Quadrant I, find the exact value of csc A in simplest radical form using a rational denominator.
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Trigonometry

06/09/21

If tan 𝜃 = −1, determine the possible angle(s) for 𝜃.
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Trigonometry Math Precalculus

06/09/21

A small radio transmitter
A small radio transmitter broadcasts in a 22-mile radius. If you drive along a straight line from a city 27 miles north of the transmitter to a second city 28 miles east of the transmitter, during... more
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Trigonometry Math Precalculus

06/09/21

Outside tempature
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature for the day is 68 degrees and the low temperature of 32 degrees occurs at 5 AM.... more
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Trigonometry Math Precalculus

06/09/21

Ferris Wheel problem
A Ferris wheel is 30 meters in diameter and boarded from a platform that is 4 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel... more
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Trigonometry

06/09/21

Math Word problem

You are offered two different sales jobs. The first company offers a straight commission of 4% of the sales. The second company offers a salary of $330 per week plus 2%of the sales. How much would... more
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Trigonometry

06/08/21

In 𝛥𝐷𝐸𝐹, ∠𝐸 = 43∘, 𝑒 = 12, and 𝑓 = 16. Determine the possible value(s) of ∠𝐹.
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Trigonometry

06/08/21

The interior angles of a triangle are 120°, 40°, and 20°. The longest side is 10 cm longer than the shorter side. Determine the perimeter of the triangle to the nearest centimetre
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Trigonometry

06/08/21

if tan ø =-1, what are the possible angles for ø
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Trigonometry Math Precalculus

06/08/21

Ferris Wheel Problem
A Ferris wheel is 50 meters in diameter and boarded from a platform that is 3 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel... more
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Trigonometry

06/08/21

Find the vector, v with ‖𝐯‖ = 6 in the same direction as u = -3i – 4j
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Trigonometry

06/08/21

Find the component form of the vector that has the given magnitude and direction angle Θ. ‖𝐯‖ = 5 and Θ = 315⁰.
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Trigonometry

06/08/21

Find 3u - 6v, if u = 〈−4, 5〉 and v =〈−1, −2〉
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Trigonometry

06/08/21

Use the given vectors to find the indicated quantities. u = 〈2, −5〉, v = 〈−3, −4〉, w = 〈2, −1〉 (u ∙ v)w =
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