7,498 Answered Questions for the topic trigonometry

Trigonometry

2h

Trigonometry

3h

#### Convert each of the following equations from rectangular form to polar form. Solve for r.

a) 𝑦=7 b) (𝑥−3)^2 +𝑦^2 =9Hello! I am confused about these two problems and I need help solving them, please!
Trigonometry

3h

#### tanθ +1= 0 Find the degrees

i just need to find the degrees
Trigonometry

3h

#### Convert each of the following equations from polar form to rectangular form.

a) 𝑟^2 =64 b) 𝑟=5cos𝜃.Hello! I need help solving these two problems, please!
Trigonometry

3h

#### 2sinθ −1= 0 Find the degrees

i just need to find the degrees thats it
Trigonometry

3h

Trigonometry

3h

#### Convert each of the following as indicated.

a) Convert from polar to rectangular coordinates: (4,𝜋/3) b) Convert from rectangular to polar coordinates: 4−4𝑖Hello! Please help me solve these two problems. I... more
Trigonometry

3h

Trigonometry

3h

#### Perform each of the following operations. Make sure to write your answers as complex numbers.

a) (2−5𝑖)^2 b) 7−2𝑖 /1+4𝑖
Trigonometry

3h

#### Simplify each of the following. Make sure to write your answers as complex numbers.

a) (7+3𝑖)+(4−7𝑖) b) (−3+6𝑖)−(10−5𝑖)
Trigonometry

3h

#### Find all solutions to the equation in the interval [0,2pi): sin^2x = 2-2cosx

Trigonometry Math Science Calculus

15h

#### By what factor will the rms speed of gas molecules increase if the temperature is increased from 30 ∘C to 130 ∘C?

By what factor will the rms speed of gas molecules increase if the temperature is increased from 30 ∘C∘C to 130 ∘C∘C?
Trigonometry

17h

#### Find the area sector

Find the area sectorRadius 12Aneglected 120 degrees
Trigonometry Precalculus

1d

Part a: Use an Addition or Subtraction Formula to simplify the equation.sin(2𝜃) cos(𝜃) − cos(2𝜃) sin(𝜃) = √2/2Part b: Find all solutions in the interval [0, 2𝜋). (Enter your answers as a... more
Trigonometry Trig

1d

#### Solve using reduced row echelon form. 4x-y-3z = 1 8x+y-z=5 2x+y+2z=5

Trigonometry Precalculus

2d

#### Rewrite the given exponential form of the complex number in its complex polar form using Euler's formula

reθi=rcosθ+rsinθi
Trigonometry Precalculus

2d

#### Given the vector → u = ⟨ 4 , − 4 ⟩

find the magnitude and angle in which the vector points (measured counterclockwise from the positive x-axis, 0≤θ<2π)
Trigonometry Precalculus

2d

#### Let → a = ⟨ − 4 , 3 , 5 ⟩ and → b = ⟨ 1 , − 2 , 4 ⟩ . Find → a ⋅ → b .

How can I find a and b?
Trigonometry

2d

#### Double Trigonomentry

two fire towers are 40 kilometers apart. Tower B is due east of Tower A. A fire is spotted from both towers. From tower A the fire is E 21 degrees North and from Tower B the fire is W 38 degrees... more
Trigonometry Algebra 2

2d

#### cosec A / sec A = ? ( PLEASE HELP IVE BEEN STUCK FOR SO LONG AND ONLY HAVE 50 MINUTES TO FINISH)

Trigonometry Algebra 2

2d

Trigonometry

2d

#### How Do I solve this problem?

A 26.5 foot pole is secured to the ground by support wires. Wire A has an angle of depression of 28 , and wire B has an angle of depression of 53.
Trigonometry

3d

#### Solve Please as soon as possible

cube roots of 𝑧 in polar form where 𝑧=2(cos(105∘)+𝑖sin(105∘)).Write the complex number 5−3𝑖 in polar form, 𝑟(cos(𝜃)+𝑖sin(𝜃)), with 𝑟>0,0≤𝜃≤2𝜋.

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