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Trigonometry

07/27/21

If one child doesn't cash the ball and it flies out the window and what direction does the ball fly? (ignoring wind resistance)

two children are throwing a ball back and forth straight across the back seat of a car . the ball is being thrown 6 mph related to the car and the car is traveling 25 mph down the road=... more

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Trigonometry

07/27/21

You are working as a fire ranger and you spot a fire that is 15 km away from your tower. Turning an angle of 21° you can see the next tower, 20 km directly east from you.

Fire Ranger During the summer months, British Columbia experiences numerous forest fires. You are working as a fire ranger in the interior of British Columbia and you spot a fire that is 15 km away... more

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Trigonometry Precalculus

07/27/21

Suppose 𝑓(𝑥) is a function whose graph is a TANGENT curve with the following features 1. Vertical Stretching = 15/16 2. Period = 𝜋 3. Phase shift = 0. 4. Midline 𝑦=0

Using the trig function tan(x) , find an equation for the graph of f(x)

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Trigonometry Sat Math Act Math Algebra

07/27/21

(a)Convert (2, 3) to its counterpart in polar coordinates. (b) Convert (5, π/6) to its counterpart in cartesian coordinates.

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Trigonometry Precalculus Characteristics Of Functions

07/27/21

How would I go about answering these questions on Characteristics of Functions?

Given f(x)=3x+2 and g(x)=-2x+1 write an equation for (f+g)(x) Determine (f+g)(6) determine (fg)(x) determine (f-g)(x) determine domain of (f÷g)(x) Given g(x)=cosx and g(x)=sinx determine... more

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Trigonometry

07/27/21

Calculate the width for a parking lot that will surround a building based on customer specifications.

The building that measures 90 m by 60 m is to be built on the lot and a paved parking lot of uniform width will surround the building. The paved lot is to have an area of 9000 m^2.a) How wide is... more

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Trigonometry

07/26/21

A hydro pole is stabilized at its top by two guy wires of equal length, each of which makes an angle of 60° with the ground.

The wires are secured to the ground at points that are 10 m apart and on opposite sides of the pole. what should the length of each wire be? and how tall is the hydro pole? Express your answers... more

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Trigonometry Precalculus

07/26/21

What would be the equation of the axis of the curve for f(x)=3cos[2(x+pi/4)]-2 ?

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Trigonometry Precalculus Trigonometric Functions

07/26/21

Explain the transformations that are occurring to the parent function f(x)=cosx as it’s transformed into g(x)=-2cos[1/2(x-π /2)]+1

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Trigonometry

07/26/21

If the water must be at least 3m deep to dive safely, when during the daylight hours would it be safe to dive off the dock?

The water at a local beach has an average depth at high tide of 8m. One cycle of the tides takes approximately 12 hours. This periodic motion can be modelled by the function d(t)=3.5cos[π/6 t]+4.5... more

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Trigonometry

07/26/21

If the water must be at least 3m deep to dive safely, when during the daylight hours would it be safe to dive off the dock

The water at a local beach has an average depth at high tide of 8m. One cycle of the tides takes approximately 12 hours. This periodic motion can be modelled by the function d(t)=3.5cos[𝛑/6 t]... more

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Trigonometry Precalculus

07/26/21

please help me. How do I solve this: Given the function f(X) = 5 sin (-2x + 540^o) - 4

State the transformations Show your transformation statement and table of values State the domain and range of the function Graph 2 cycles of the function

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Trigonometry

07/26/21

please help me. How do I solve this: Given the function f(X) = 5 sin (-2x + 540^o) - 4

State the transformations Show your transformation statement and table of values State the domain and range of the function Graph 2 cycles of the functio

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Trigonometry

07/26/21

Help please how do i urgently Sketch and provide an expression that describe the following question

Sketch and provide an expression that describe the following question6. Imagine an analogue clock face superimposed on a Cartesian plane (a grid). Provide a sketch. Givenyour sketch, provide an... more

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Trigonometry

07/26/21

Please help me understand how to Write the equation for each sine function

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Trigonometry Math Precalculus

07/26/21

(4 points) What is the maximum and minimum values of the sine and cosine function? Only consider angles in [0,2𝜋)

Also what angles do they occur at? I can figure out the minimums and maximums but I am not sure how to find which angles they are at.

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Trigonometry Precalculus

07/26/21

The reference angle of 4 is how many radians?

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Trigonometry Math Precalculus

07/26/21

Find the reference angle for each of the following.

3.2 radians = _ radians 5.42radians =_ radians-1.7 radians=_ radianssqrt2 radians=_ radians

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Trigonometry Math Precalculus

07/26/21

(3 points) Suppose 𝜃 and 𝜙 are in the first quadrant and cos(𝜃)=5/11 and tan(𝜙)=13/1. Find cos(𝜃+2𝜋)= , cos(𝜃−2𝜋)=, cos(𝜋−𝜃)=, tan(𝜃+2𝜋)=, tan(𝜃−𝜋)= , tan(𝜋−𝜃)

I understand how to do the less complicated versions of these but not sure how to do this version.

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Trigonometry Math Precalculus

07/26/21

Suppose 𝑓(𝑥) is a function whose graph is a sinusoid with the following features 1. Amplitude = −5 2. Period = 𝜋5 3. Phase shift = 𝜋−40 4. Midline 𝑦=5.

Find an equation for the graph of f(x). I can not figure this one out even after asking my teacher, and I have about five more of these I need to learn how to do step by step.

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Trigonometry Math Precalculus

07/26/21

Suppose the observer stands 500 feet away from the searchlight and has an angle of elevation 77∘.What is the height of the cloud cover?

I keep getting 3465.18 so I am not sure what I did wrong.

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Trigonometry

07/26/21

Given the function f(X) = 5 sin (-2x + 540^o) - 4

State the transformations Show your transformation statement and table of values State the domain and range of the function Graph 2 cycles of the function

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Answers •1

Trigonometry

07/26/21

For each of the following, indicate whether this is a periodic function or not

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Trigonometry

07/26/21

Write the equation for each sine function

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Trigonometry Precalculus

07/26/21

Trigonometric Functions Question - Sinusoidal Function

Owen is jumping on a trampoline. When his feet hit the deck of the trampoline, the material depresses to a minimum height of 2cm. On average, Owen is reaching a maximum height of 200cm every 10... more

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If one child doesn't cash the ball and it flies out the window and what direction does the ball fly? (ignoring wind resistance)

You are working as a fire ranger and you spot a fire that is 15 km away from your tower. Turning an angle of 21° you can see the next tower, 20 km directly east from you.

Suppose 𝑓(𝑥) is a function whose graph is a TANGENT curve with the following features 1. Vertical Stretching = 15/16 2. Period = 𝜋 3. Phase shift = 0. 4. Midline 𝑦=0

(a)Convert (2, 3) to its counterpart in polar coordinates. (b) Convert (5, π/6) to its counterpart in cartesian coordinates.

How would I go about answering these questions on Characteristics of Functions?

Calculate the width for a parking lot that will surround a building based on customer specifications.

A hydro pole is stabilized at its top by two guy wires of equal length, each of which makes an angle of 60° with the ground.

What would be the equation of the axis of the curve for f(x)=3cos[2(x+pi/4)]-2 ?

Explain the transformations that are occurring to the parent function f(x)=cosx as it’s transformed into g(x)=-2cos[1/2(x-π /2)]+1

If the water must be at least 3m deep to dive safely, when during the daylight hours would it be safe to dive off the dock?

If the water must be at least 3m deep to dive safely, when during the daylight hours would it be safe to dive off the dock

please help me. How do I solve this: Given the function f(X) = 5 sin (-2x + 540^o) - 4

please help me. How do I solve this: Given the function f(X) = 5 sin (-2x + 540^o) - 4

Help please how do i urgently Sketch and provide an expression that describe the following question

Please help me understand how to Write the equation for each sine function

(4 points) What is the maximum and minimum values of the sine and cosine function? Only consider angles in [0,2𝜋)

The reference angle of 4 is how many radians?

Find the reference angle for each of the following.

(3 points) Suppose 𝜃 and 𝜙 are in the first quadrant and cos(𝜃)=5/11 and tan(𝜙)=13/1. Find cos(𝜃+2𝜋)= , cos(𝜃−2𝜋)=, cos(𝜋−𝜃)=, tan(𝜃+2𝜋)=, tan(𝜃−𝜋)= , tan(𝜋−𝜃)

Suppose 𝑓(𝑥) is a function whose graph is a sinusoid with the following features 1. Amplitude = −5 2. Period = 𝜋5 3. Phase shift = 𝜋−40 4. Midline 𝑦=5.

Suppose the observer stands 500 feet away from the searchlight and has an angle of elevation 77∘.What is the height of the cloud cover?

Given the function f(X) = 5 sin (-2x + 540^o) - 4

For each of the following, indicate whether this is a periodic function or not

Write the equation for each sine function

Trigonometric Functions Question - Sinusoidal Function

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