9,261 Answered Questions for the topic trigonometry

Trigonometry

10/16/22

cos2 𝛽 + cos2 𝜋 2 − 𝛽 = 1
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Trigonometry

10/16/22

1 + sin(𝜃) / cos(𝜃) + cos(𝜃) / 1 + sin(𝜃) = 2 sec(𝜃)
Verify the identity algebraically. Use the table feature of a graphing utility to check your result numerically. (Simplify at each step.)
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Trigonometry

10/16/22

cot(x) / sec(x) = csc(x) − sin(x)
Verify the identity by converting the left side into sines and cosines. (Simplify at each step.)
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Trigonometry

10/16/22

cot2(t) / 4 csc(t) = 1 − sin2(t) / 4 sin(t)
Verify the identity by converting the left side into sines and cosines. (Simplify at each step)
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Trigonometry

10/16/22

5 cos2 𝛽 − 5 sin2 𝛽 = 5 − 10 sin2 𝛽
Verify the identity. (Simplify at each step.)
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Trigonometry

10/15/22

4 cot2(y)(sec2(y) − 1) = 4
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Trigonometry Calculus Geometry

10/15/22

Ladder problem Rate of change of height?
A ladder is placed 50 meters from a wall at and angle θwith the horizontal the top of the laaderiis xmeters above the ground. If the bottom of the ladder is pushed toward the wall, find the rate of... more
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Trigonometry Precalculus

10/14/22

How to verify this identity, with steps
cos^2x/tanxsinx+tanx=(1-sinx)/tanx
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Trigonometry Algebra 2

10/13/22

Eliminate θ from following equalities.
x^2+y^2=16cos^2(θ)=[(16x^2)sin^2(θ)]/y^2which is same as saying x^2+y^2=16cos^2(θ),,,,,and x^2+y^2=[(16x^2)sin^2(θ)]/y^2y≠0Answer is in form f(x,y)=0. That is a curve in xy plane.
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Trigonometry

10/12/22

I don't know final answer

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 4848 and 7272 degrees during the day and the average daily temperature first... more
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Trigonometry Calculus

10/10/22

How do I solve the equation for solutions on the interval of 0 < x < 2𝜋 for the equation 2sin(x) cos(x) - sin (x) = 0?
I am really confused on how to work out this equation.
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Trigonometry Math Calculus Precalculus

10/10/22

Trig Equations Solutions
Hi, I need help answering questions about the following graph: f(x)=2 sin⁡x. I have plotted this on a graph already. I just need help answering the following questions about it: Use your graph to... more
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Trigonometry Calculus Precalculus

10/10/22

Verifying an Identity
Hi! I need some assistance answering these questions about the graph: What do you notice about the two graphs? Use your graph to come up with a relationship between the two expressions for the... more
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10/09/22

How can I compute the ArcTan Arcsin or Arccos?
How can I find the ArcTan Arcsin or Arccos?
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10/08/22

How can I learn the two special trig triangles without memorizing?
How can I learn the two special trig triangles without memorizing?
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Trigonometry

10/08/22

Name the closest positive and negative co terminal angles of 365° and then -720°
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Trigonometry Precalculus

10/06/22

Periodicity of Trig Functions
Hi! I need help with the following problem: -Find all values of θ for which sin⁡〖θ=0〗 -What pattern do you observe in the values for θ ?-Graph the function 〖f(x)=sin〗⁡x on Desmos.com on the... more
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Trigonometry

10/06/22

) Find a possible formula for the trigonometric function graphed below. Use x as the independent variable in your formula.
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Trigonometry Math Algebra 1 Algebra 2

10/05/22

Do you know how useful math is?

With out math we won’t have computers, cellphones, video games etc.
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10/04/22

A ladder 10 meters long is leaning against the wall of a house. The base of the ladder is pulled away from the wall at a rate of 2/ 3 meter per second.
(a) What is the velocity of the top of the ladder when the base is given below? (Round your answers to three decimal places.) (m/sec)-2 meters away from the wall-6 meters away from the wall-8... more
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Trigonometry

10/02/22

Solve; 3sec^2(x)=2tanx+4
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Trigonometry

10/01/22

I'm new here in highschool and I don't know which is correct... (x^5)(x^5) = "x^10" or "2x^5"?

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Trigonometry

10/01/22

wrong transaction
I received an email today, September 30, about a transaction for $37.06. I did not have any lesson about this amount. So, I need clarification, please.Transaction ID37179067RY2676148
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Trigonometry Math Algebra 1 Geometry

09/28/22

The lower bound is ?
A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample​ variance S^2 is determined to be 12.1.a- Construct a​ 90% confidence interval for... more
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Trigonometry

09/28/22

sin α = 4/5, α lies in quadrant I, and sin β = 7/25, β lies in quadrant II
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