9,261 Answered Questions for the topic trigonometry

Trigonometry

08/03/22

Simplifying Trig Functions
Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosinecos4 x
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Trigonometry

08/03/22

Simplfiying Trig Functions
Write the given expression as an algebraic expression in x.cos(2 cos−1 x)
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Trigonometry

08/03/22

Simplifying Trig Functions
Write the given expression as an algebraic expression in x.cos(2 cos−1 x)
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Expert Answers •2
Trigonometry

08/03/22

Simplifying Trig Functions
Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosinecos4 x
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Expert Answers •1
Trigonometry

08/02/22

Proving Trig Functions
Prove an identity cos(x - pi/3) - sin(x + pi/6) = 0Use the Addition and Subtraction Formulas, and simplify.
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Trigonometry

08/02/22

Writing Trig Fuunctions
Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.tan pi/24 + tan pi/8/ 1 - tan pi/24tan pi/8Find its exact value?
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Trigonometry

08/02/22

need answer for this question asap
A gardener has 520 feet of fencing to fence in a rectangular garden. One side of the garden is bordered by a river and so it does not need any fencing.  What dimensions would guarantee that the... more
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Trigonometry

08/02/22

math help needed asap

The equation P=490n−10780 represents a computer manufacturer's profit P when n computers are sold.Find the value of n where P=15190 Write your answer as an Ordered Pair: 
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Trigonometry

08/02/22

math hw help needed
A person's systolic blood pressure, which is measured in millimeters of mercury (mm Hg), depends on a person's age, in years. The equation:P=0.007y^2−0.01y+119gives a person's blood pressure, P, at... more
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Trigonometry

08/02/22

math hw help needeed
A box with a square base and no top is to be made from a square piece of carboard by cutting 4 in. squares from each corner and folding up the sides. The box is to hold 16384 in3. How big a piece... more
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Trigonometry

08/02/22

math hw help needed
An object is thrown upward at a speed of 75 feet per second by a machine from a height of 19 feet off the ground. The height h of the object after t seconds can be found using the... more
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Trigonometry

08/02/22

math hw help needed asap
A gardener has 520 feet of fencing to fence in a rectangular garden. One side of the garden is bordered by a river and so it does not need any fencing.  What dimensions would guarantee that the... more
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Expert Answers •1
Trigonometry

08/02/22

HOMEWORK HELP NEEDED ASAP
Find the domain of the function f(x)=1/6x+6. What is the only value of x not in the domain?
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Trigonometry Math Calculus Precalculus

08/02/22

Solving systems of equations
These 3 points are on a parabola defining the edge of a ski:(-4,1)(-2,0.94)(0,1)The general form for the equation of a parabola is Ax^2+Bx+C=y1.Use the x- and y-values of 1 to build a linear... more
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Trigonometry

08/01/22

Simplifying Trig Functions
Write the trigonometric expression in terms of sine and cosine, and then simplify.sin theta - csc theta/ cos theta
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Trigonometry

08/01/22

If tant=−724 and π2 <t< π , find sint , cost , sect , csct , cott .
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Trigonometry

08/01/22

If tant=−7/24 and π/2 < t < π , find sint , cost , sect , csct , cott .
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Trigonometry Math Algebra 1 Algebra 2

07/31/22

Please Answer this question, as the the same problem was answered incorrectly before!
Two iron wrecking balls with a height of 5 feet each are hanging straight down on ropes one 12 feet long and the other 8 feet long. The balls are 28 feet apart. If they are swung to meet, what will... more
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Trigonometry Math

07/29/22

Trigonometry Math Full Solution Thinking Question
In Rectangle ABCD, ∠EFC = 90°, and CF bisects ∠DCE. AΔCDF : AΔFAE = 16 : 9. (Hint: similar triangles)a) Determine tan∠FEC.b) If CD = 8cm, Determine the area of rectangle ABCD.Diagram:
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Trigonometry Math

07/29/22

Trigonometry Question Full Solution
Resha is planting a triangular garden. She wants to put a fence around it. The length of one side of the garden is 10 meters. If the angles at each end of this side are 440 degrees and 580 degrees,... more
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Trigonometry Precalculus

07/28/22

Pre calc. question regarding terminal arms and rotations
The point (4, 8) lies on the terminal arm of an angle of rotation. Name the point in each of the other quadrants which has the same reference angle.
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Trigonometry Precalculus

07/28/22

Pre calc question regarding modeling sinusidal functions
Ocean tides can be modeled by a sinusoidal function. Suppose that there is a low and high tide every 12 hours, and that high tide in Seattle occurs at 1:00 a.m. and 1:00 p.m. with the low tides 6... more
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Trigonometry

07/27/22

Trigonometric identities
If a = 2/5 and b = 7/25 find cos (a+b) without using calculator
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Trigonometry

07/27/22

Triangle Solve for Theta
Find the angle labeled 𝜃. (Round your answer to one decimal place.) Refer to image below𝜃 = 
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Trigonometry

07/27/22

Area of Triangle
 Find the angle opposite the longest side. (Round your answer to one decimal place.)Find the area of the triangle. (Round your answer to one decimal place.)
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