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Trigonometry Calculus Precalculus

04/02/23

How to find f' for f(x) = sin x/ cos x?

Would it be tan x, 1/cos^2 x, or -cos x/sin x?

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Trigonometry Calculus Precalculus

04/02/23

How to find an equivalent expression for the limit as x ->π of sin x - sin π / x - π?

Would it be cos(x- π) or sin x - sin π or neither?

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Answers •1

Trigonometry Math Algebra 1 Algebra 2

04/01/23

I have a boundary-value problem that need to be solved using laplace transform

∂^2u/∂x^2 = ∂^2u/∂t^2 + 2∂u/∂t + u , x>0 , t>0u(0,t) = sin 3t, t>0u(x,0)=0, ∂u/∂t |t=0 =0, x>0The answer is: u(x,t) = e^-x sin 3(t-x)u(t-x)

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Trigonometry

03/31/23

ALEKS chapter 9

For right triangles below find the value of side length b and h round the answers to the nearest tenth

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Trigonometry

03/31/23

ALEKS chapter 9 trig Act

A ladder leans against the side of a house The top of the ladder is 24 ft from the ground The bottom of the ladder is 10 ft from the side of the house find the length of the ladder

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Trigonometry

03/29/23

The angle α, measured in radians, satisfies the inequalities π≤α≤3/2π. Beräkna sin α, om man vet att cos α=−(3/4). Sin α = ?

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Trigonometry

03/29/23

In the triangle △ABC, introduce the notations a=|BC|, b=|CA|, c=|AB|, as well as ∠A=α , ∠B=β and ∠C=γ. Find c , given that angle ∠C is acute and a=6, b=7 and sin γ=1/9.

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Trigonometry

03/29/23

The triangle △ABC is right-angled with right angle at corner C and angle α at corner A.

The triangle △ABC is right-angled with right angle at corner C and angle α at corner A.Calculate the area of the triangle, given that c=|AB|=7, and that tan α=7/8.

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Trigonometry

03/29/23

The triangle △ABC is right-angled with a right angle at corner C and angle v degrees at corner A. Which alternative is correct.

The triangle △ABC is right-angled with a right angle at corner C and angle v degrees at corner A. Which alternative is correct.Then: 1| AC | = | AB | sin v2| BC | = | AB | cos v3| AC | = | BC | tan... more

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Trigonometry

03/29/23

In the triangle △ABC, introduce the notations a=|BC|, b=|CA|, c=|AB|, as well as ∠A=α(alpha), ∠B=β (beta) and ∠C=γ (gamma). Find b, given that a=5, sinα(alpha)=2/3 and cos β=5/8. b=?

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Trigonometry

03/29/23

The triangle △ABC is right-angled with right angle at corner C and angle α (alpha) at corner A. Calculate the area of the triangle, given that c=|AB|=10, and that tan α(alpha) =3/7.

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Trigonometry

03/29/23

The angle α , measured in radians, satisfies the inequalities π/2≤α≤π. Calculate tan α, if one knows that cos α=−(13/14 ). .

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Answers •1

Trigonometry Algebra 2

03/29/23

A flagpole stands on a sloping hillside.

A flagpole stands on a sloping hillside. The flag slands straight up and down, NOT perpendicular to the hillside). The angle of elevation of the hill is 32 degrees. The shadow of the flagpole... more

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Trigonometry

03/27/23

Can someone help me find the value of Sin X and Cos Y? What relationships do the rations of cos Y and sin X share?

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Trigonometry Precalculus

03/26/23

help solve ???????

solve for thea (show work) A)5(sinthea+1)=5 B)7tanthea=2squrt3+tanthea

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Trigonometry Precalculus

03/26/23

Extremely confused explain?

The smaller two sides of an obtuse triangle are known to be 4.0m and 10.6. The angle that is opposite 10.6 is 14°a) label triangle. You can move the boxes to help with labeling. the Thea is unknown... more

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Trigonometry Precalculus

03/26/23

Quick help?!?!?!

Solve for Thea- 6sinthea-1=2sinthea+1 give the exact radian measure no decimal

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Trigonometry Precalculus

03/26/23

EXPLAIN PLEASE??

A landscaper is building a triangular garden behind a house. The lot is bounded on one side by the house that 30ft. Long and on another side by a fence that is 50ft long. If the fence makes 25°... more

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Trigonometry Calculus Precalculus

03/25/23

A spring is attached to the ceiling and pulled 20cm down from

A spring is attached to the ceiling and pulled 20 cm down from equilibrium and released. The amplitude decreases by 13% each second. The spring oscillates 7 times each second. Find an equation for... more

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Trigonometry Precalculus

03/24/23

Given that sin(220°) =-0.643, find the following without using a calculator.

Given that sin(220°) =-0.643, find the following without using a calculator. a. sin(310°)b. sin(140°)c. cos(310°)d. cos(230°)

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Trigonometry Math Algebra 1 Algebra 2

03/20/23

IGNORE LAST ONE, I NEED THIS

Suppose that Uranus rotates on its axis once every 17.2 hours. The equator lies on a circle with a diameter of 31,762 miles.(a) Find the angular speed of a point on its equator in radians per day... more

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Trigonometry Math Algebra 1 Algebra 2

03/20/23

I NEED THIS PLEASE

A ceiling fan has 14-inch blades (so the radius of the circular fan is 14 inches). Suppose the fan turns at a rate of 57 revolutions per minute.(a) Find the angular speed of the fan in radians per... more

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Trigonometry

03/18/23

set equal to zero

6 (sec(x))(tan(x)) - 9 (cot(x))(csc(x)) = 0I know the answer is .85 from a calculator, but how would I go about solving this?

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Trigonometry

03/18/23

it is a math question particularly trigo

a. At a particular instant, when an airplane was directly above straight-line road connecting two small towns, the angle of depression of these towns were 10.2˚ and 8.7˚. Find (a) the... more

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Trigonometry Math Precalculus

03/17/23

Trigonometry Ferris Wheel Problem

A Ferris wheel ride varies sinusoidally. When loading, people are 4 feet above the ground. The radius of the Ferris wheel is 60 feet. The ride takes 4 minutes to complete one revolution. if a... more

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Answers •1

How to find f' for f(x) = sin x/ cos x?

How to find an equivalent expression for the limit as x ->π of sin x - sin π / x - π?

I have a boundary-value problem that need to be solved using laplace transform

ALEKS chapter 9

ALEKS chapter 9 trig Act

The angle α, measured in radians, satisfies the inequalities π≤α≤3/2π. Beräkna sin α, om man vet att cos α=−(3/4). Sin α = ?

In the triangle △ABC, introduce the notations a=|BC|, b=|CA|, c=|AB|, as well as ∠A=α , ∠B=β and ∠C=γ. Find c , given that angle ∠C is acute and a=6, b=7 and sin γ=1/9.

The triangle △ABC is right-angled with right angle at corner C and angle α at corner A.

The triangle △ABC is right-angled with a right angle at corner C and angle v degrees at corner A. Which alternative is correct.

In the triangle △ABC, introduce the notations a=|BC|, b=|CA|, c=|AB|, as well as ∠A=α(alpha), ∠B=β (beta) and ∠C=γ (gamma). Find b, given that a=5, sinα(alpha)=2/3 and cos β=5/8. b=?

The triangle △ABC is right-angled with right angle at corner C and angle α (alpha) at corner A. Calculate the area of the triangle, given that c=|AB|=10, and that tan α(alpha) =3/7.

The angle α , measured in radians, satisfies the inequalities π/2≤α≤π. Calculate tan α, if one knows that cos α=−(13/14 ). .

A flagpole stands on a sloping hillside.

Can someone help me find the value of Sin X and Cos Y? What relationships do the rations of cos Y and sin X share?

help solve ???????

Extremely confused explain?

Quick help?!?!?!

EXPLAIN PLEASE??

A spring is attached to the ceiling and pulled 20cm down from

Given that sin(220°) =-0.643, find the following without using a calculator.

IGNORE LAST ONE, I NEED THIS

I NEED THIS PLEASE

set equal to zero

it is a math question particularly trigo

Trigonometry Ferris Wheel Problem

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