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Trigonometry Calculus

12/05/23

Find the integral using trig substitution: x^3/sqrt(4+x^2)dx

Calculus BC

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Trigonometry

12/03/23

How do I solve this?

11x^2 − 24xy + 4y^2 + 20 = 0

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Trigonometry

12/03/23

How do I solve this?

7x^2 + 2(sqrt3)xy + 5y^2 = 8Use a rotation of axes to eliminate the xy-term. (Write an equation in XY-coordinates. Use a rotation angle that satisfies 0 ≤ 𝜑 ≤ 𝜋/2.)

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Trigonometry

12/03/23

How do I solve this?

Determine the equation of the given conic in XY-coordinates when the coordinate axes are rotated through the indicated angle. xy = x + y, 𝜑 = 𝜋/4

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Trigonometry

12/03/23

How do I answer this?

Determine the equation of the given conic in XY-coordinates when the coordinate axes are rotated through the indicated angle.x2 − 3y2 = 2, 𝜑 = 60°

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Trigonometry

12/03/23

if tan(x)= -2/5 and cos(x) is positive what is tan(2x)

find using sum and difference identities

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Answers •2

Trigonometry Math Calculus

11/30/23

Piecewise function question

Let 𝑔(𝑥) be the piecewise function defined as: [ 2/x+1 if x< -2 ] [ -4/x if -2≤x<0 ]g(x)= [ 0 if x=0 ] ... more

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Trigonometry

11/30/23

The measures of two sides of a triangle and the angle opposite one of them are given. Solve all possible triangles if any. (With solution and explanation pls)

a) c = 9.04, a = 3.52, γ = 128.1°b) b = 3.562, c = 4.210, β = 50.23°

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Answers •2

Trigonometry

11/30/23

The measures of two sides of a triangle and the angle opposite one of them are given. Determine the number of triangles that satisfy the given set of conditions. (With solution and explanation pls)

a) b = 27, a = 46, β = 38°b) a = 245, b = 302, α = 136.4°

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Trigonometry

11/25/23

can anyone help me answer the questions i tried 3 times but i keep getting 558

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 ∠CAB=49.5°∠��=49.5°. Find the distance across the lake from A to B.365... more

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Trigonometry

11/24/23

can anyone help my answer this question my answer was 4,080 however it was wrong

A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 4.7 mi apart, to be 36° and 47°, as shown in the figure.4.7 mi36°47°BAWhat is the elevation of... more

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Trigonometry

11/24/23

I need help trying to answer this question please

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 59 and 71 degrees during the day and the average daily temperature first... more

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Trigonometry

11/24/23

Can anyone help me answer this question

The angle of elevation to the top of a Building in New York is found to be 5 degrees from the ground at a distance of 2 miles from the base of the building. Using this information, find the height... more

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Trigonometry Algebra 1 Algebra 2 Prealgebra

11/24/23

Semicircle attached to 3 triangles SAT Problem

Angle of is a right angle. The sides of are the diameters of semicircles as shown. The area of the semicircle on equals , and the arc of the semicircle on has length . What is the radius of the... more

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Trigonometry

11/21/23

Use the given pair of vectors, u = 5i + 3j and w = 0i + 4j. Draw a picture of a vector u and vector w for which proju(w) = < 0, 0 >.

Use the given pair of vectors, u = 5i + 3j and w = 0i + 4j.Draw a picture of a vector u and vector w for which proju(w) = < 0, 0 >.

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Trigonometry

11/21/23

) A classmate says they think of vector projections as shadows. Explain the connection between a vector and a shadow. Draw a picture if helpful.

A classmate says they think of vector projections as shadows. Explain the connection between a vector and a shadow. Draw a picture if helpful.

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Trigonometry

11/21/23

Use the given pair of vectors, u = −i − 2j and v = 4i − 5j to calculate the following

Use the given pair of vectors, u = −i − 2j and v = 4i − 5j to calculate the following Are u and v orthogonal? Explain how the dot product can help you determine this. projv(u), and classify wether... more

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Trigonometry

11/20/23

Solve each of the following problems with Solution

1) A flagpole is situated at the top of a building 115 ft tall. From a point in the same horizontal plane as the base of the building the angles of elevation of the top and bottom of the flagpole... more

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Trigonometry

11/20/23

Solve the triangle. Express the results to two decimal places. (Show solution)

1) a = 24, α = 34°, β = 71°2) c = 53.2, β = 48.6°, γ = 61.4°3) b = 408, α = 52°42′, β = 75°36′

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Trigonometry

11/19/23

Two angles of a triangle and the measure of the side opposite one of them are given. Find the measure of the side opposite the other given angle, but do not use a calculator.

a = 4.6, α = 45°, β = 60°(I only to know the solution on how to do it)

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Trigonometry

11/17/23

trigonometric equation on the intervals [0,2pi).

use trigonometric, identities, algebraic, message, and inverse trigonometric functions, as necessary, just saw the following trigonometric equation on the intervals [0,2pi). round your answer to... more

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Trigonometry Math

11/17/23

a sinusoidal function has amplitude 3, period pi, a maximum at (pi/4, 5) and a minimum at (3pi/4, -1).

a sinusoidal function has amplitude 3, period pi, a maximum at (pi/4, 5) and a minimum at (3pi/4, -1): a) represent a function with an equation using a sine function. ... more

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Trigonometry

11/14/23

Calculate z/w, write the answer in trigonometric form.

Calculate z/w if z = 32(cos(pi) + i sin(pi)) and w = 4(cos(3pi/5) + i sin(3pi/5)) write the answer in trigonometric form. Simplify

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Trigonometry

11/14/23

Calculate (√3 - i)6 using DeMoivre's theorem.

Calculate (√3 - i)6 using DeMoivre's theorem. State the answer in the rectangular form of a complex number. To make it easier to grade. write your work where indicated: Write √3 - i in... more

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Trigonometry

11/14/23

Let z = 81 (cos100° + i sin100°). Find all of the 4th roots of z. Write the answers in trigonometric form

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Answers •2

Find the integral using trig substitution: x^3/sqrt(4+x^2)dx

How do I solve this?

How do I solve this?

How do I solve this?

How do I answer this?

if tan(x)= -2/5 and cos(x) is positive what is tan(2x)

Piecewise function question

The measures of two sides of a triangle and the angle opposite one of them are given. Solve all possible triangles if any. (With solution and explanation pls)

The measures of two sides of a triangle and the angle opposite one of them are given. Determine the number of triangles that satisfy the given set of conditions. (With solution and explanation pls)

can anyone help me answer the questions i tried 3 times but i keep getting 558

can anyone help my answer this question my answer was 4,080 however it was wrong

I need help trying to answer this question please

Can anyone help me answer this question

Semicircle attached to 3 triangles SAT Problem

Use the given pair of vectors, u = 5i + 3j and w = 0i + 4j. Draw a picture of a vector u and vector w for which proju(w) = < 0, 0 >.

) A classmate says they think of vector projections as shadows. Explain the connection between a vector and a shadow. Draw a picture if helpful.

Use the given pair of vectors, u = −i − 2j and v = 4i − 5j to calculate the following

Solve each of the following problems with Solution

Solve the triangle. Express the results to two decimal places. (Show solution)

Two angles of a triangle and the measure of the side opposite one of them are given. Find the measure of the side opposite the other given angle, but do not use a calculator.

trigonometric equation on the intervals [0,2pi).

a sinusoidal function has amplitude 3, period pi, a maximum at (pi/4, 5) and a minimum at (3pi/4, -1).

Calculate z/w, write the answer in trigonometric form.

Calculate (√3 - i)6 using DeMoivre's theorem.

Let z = 81 (cos100° + i sin100°). Find all of the 4th roots of z. Write the answers in trigonometric form

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