9,261 Answered Questions for the topic trigonometry

Trigonometry Math

04/24/23

In triangle ABC, a = 5.4 m, b = 7.2 m and c = 10.0 m. Determine the angle of A to the nearest degree.
Please show full steps. Thank you.
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Trigonometry Reading

04/24/23

Show that 1-cos theta/1+cos theta = tan1/2 theta

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Trigonometry

04/23/23

Find the function value
Find sin θ/2, given that sin θ = 3/5 and θ terminates in quadrant I.
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Trigonometry

04/23/23

find cos 20 if cos theta equal to 2√2/3
find cos 20 if cos theta equal to 2√2/3
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Trigonometry Precalculus

04/22/23

SO CONFUSED HELP

Give 3 different names for the following point at least one needs to have a negative r at least one needs to ha a negative Thea Image below... more
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Trigonometry Precalculus

04/22/23

QUICK HELP?!?!?!?!
rewrite r=4costhea in rectangular formshow work. Your final answer must be in standard form of a circle.(x-h)^2+(y-k)2=r2
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Trigonometry Precalculus

04/22/23

QUICK HELP ????!
Find the product Z1=1/2(cis pi/3) and z2=3(cos pi/6+ i sinpi/6) then place your answer in rectangular form show work please
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Trigonometry

04/20/23

Law of Cosines Trigonometry

A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10 degrees to the right of her original course, and flies 2 h in the new direction. If she maintains a... more
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Trigonometry Precalculus

04/19/23

QUICK HELP??????
Rewrite the following equation and polar form x^2+(y-5)^2=25 show work .your final answer should be r=
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Trigonometry Precalculus

04/19/23

Quick help ??????????????
Convert the polar form of the complex number into rectangular formz=3squrt2cis7pi/4 show work show how you separately convert r and Thea into a and b
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Trigonometry

04/17/23

The builder of a parking garage wants to build a ramp at an angle of 18° that covers a horizontal span of 65 feet. How long will the actual ramp be? Round your solution to four decimal places.
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Trigonometry

04/17/23

The builder of a parking garage wants to build a ramp at an angle of 18° that covers a horizontal span of 65 feet. How long will the actual ramp be? Round your solution to four decimal places.
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Trigonometry

04/17/23

Trig, triangle find x question
I have a triangle I need to solve for x. The given information is this:One angle is 60 and one angle is 90The angle opposite 60 is xThe hypotenuse is 2sqrt(3)Thank you!
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Trigonometry Calculus Precalculus

04/17/23

Use the fundamental identities to fully simplify the expression.
cot(x) cos(x) + csc(x) sin2(x)
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Trigonometry

04/14/23

Law of cos trigonometry
wo hikers, Sonia and Tony, leave the same point at the same time. Sonia walks due eastat the rate of 3 miles per hour, and Tony walks 45◦ north of east at the rate of 4.3 milesper hour. How far... more
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Trigonometry

04/14/23

Trigonometry: Expression to Fraction
Write the expression as a single fraction: 3 sec(-x) +2.Explain in detailed steps.
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Trigonometry

04/14/23

Trigonometry: Find solution
If 0 < x < 2π, find the sum of all solutions to the equation 2cos^2(x)-7 cos(x)-4=0. Show how to do it on a ti-84 if possible.
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Trigonometry

04/13/23

Trigonometry and Parametric Equations

Eliminate the parameter t to rewrite the parametric equation as a Cartesian equation.x(t) = 5 − ty(t) = 8 − 2t
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Trigonometry Math Precalculus

04/11/23

Sine and Cosine Functions
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 50 degrees at midnight and the high and low temperature during the day are 63 and 37... more
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Trigonometry Math Precalculus

04/11/23

Graphs of the Sine and Cosine Functions
A ferris wheel is 35 meters in diameter and boarded from a platform that is 3 meters above the ground. The six o'clock position on the ferris wheel is level with the loading platform. The wheel... more
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Trigonometry Math Precalculus

04/11/23

Graphs of the Sine and Cosine Functions

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 80 degrees at midnight and the high and low temperature during the day are 93 and 67... more
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Trigonometry

04/11/23

rewrite verbally.
f(x)=cos^-1 4x
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Trigonometry

04/07/23

If tanθ= 7/24 and θ is in quadrant iii
Find:a) cos2θb) cos θ/2
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Trigonometry Math Business Algebra 1

04/03/23

A farmer builds a rectangular grid of pens with 1 row and 5 columns using 650 feet of fencing. What dimensions will maximize the total area of the pen?
The total width of each row of the pens should be ???the total height of each column of pens should be???maximum area???
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Trigonometry Math Algebra 1 Algebra 2

04/03/23

A square with sides of length a and a center at the origin has two sides parallel to the​ x-axis. Find the polar coordinates of the vertices. Choose the correct answer below. Select all that apply.
A square with sides of length a and a center at the origin has two sides parallel to the​ x-axis. Find the polar coordinates of the vertices. Choose the correct answer below. Select all that apply.
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