9,261 Answered Questions for the topic trigonometry

Trigonometry

05/30/21

I hate trigonometry

a lighthouses beacon is 52 meters above sea level. Lucy can see the beacon from her ship, and the angle of elevation is 18 degrees. How far is the ship from the shoreline to the nearest meter
Trigonometry Math Algebra 1 Algebra 2

05/30/21

What does this​ "Top 10" list tell us about the population of all of that​ country's college​ tuitions?

Listed below are the annual tuition amounts of the 10 most expensive colleges in a country for a recent year. What does this​ "Top 10" list tell us about the population of all of that​ country's... more
Trigonometry Maths Angles

05/30/21

If Sin A = Sin B, then is Sin(A/2) = Sin(B/2)?

Please Explain clearly with valid Proofs.if its true then, Will it be true for the other trigonometric functions?
Trigonometry Math Algebra 1 Algebra 2

05/30/21

Please help on this question !!

Based on a​ poll, 70​% of Internet users are more careful about personal information when using a public​ Wi-Fi hotspot. What is the probability that among four randomly selected Internet​ users,... more
Trigonometry Math Algebra 1 Algebra 2

05/30/21

With a short time remaining in the​ day, a delivery driver has time to make deliveries at 7 locations among the 9 locations remaining. How many different routes are​ possible?

With a short time remaining in the​ day, a delivery driver has time to make deliveries at 7 locations among the 9 locations remaining. How many different routes are​ possible?There are __ possible... more
Trigonometry Identities

05/29/21

How do I solve (3 -3 sin x)(3+3 sinx)

I got an answer of 3 sin2x+ 6sin x - 9

05/28/21

Trigonometry Law of Cosines Ship Bearings PLS HELP ASAP

"A boat race runs along a triangular course marked by buoys A, B, and C. The race starts with the boats headed west for 3700 meters. The other two sides of the course lie to the north of the first... more
Trigonometry Math Algebra 2

05/28/21

trigonometry functions

You and your best friend choose to ride the Capitol Wheel at the National Harbor. Your distance from the ground varies sinusoidally with the time since the wheel began to move. Let t be the number... more
Trigonometry Algebra 2

05/28/21

Hi! My teacher gave me a study guide a study guide, and there were a few sequence problems that I don't understand. Can someone please help?

Write out the first three terms and the final term. Then find the sum. :12∑ 4kk=1 2. Given 5 − 15 + 45 − ⋯ − 645700815a. Is this list sequence arithmetic or geometric? How can you tell?b. Is Gauss... more
Trigonometry Algebra 2

05/28/21

Hello! My teacher gave me this study guide on sequence, and I'm having a bit trouble with a few problems, could someone please help me out and explain?

Find the sum −3 + 4 + 11 + ⋯ + 67 Find the sum 2 + 10 + 50 + ⋯ + 2 ∙ 513 Write out the first three terms and the final term. Then find the sum. : 30 ∑ (3k-4) k=0 4. Write the... more
Trigonometry Algebra 2 Probability

05/28/21

What is the probability that at most 4 people have a dog? Round your answer to the nearest hundredth.

According to a survey, about 45% of people ages 18 and older in a city have a dog. You ask 6 randomly chosen people (ages 18 and older) whether they have a dog.
Trigonometry

05/28/21

A person starts walking from home and walks 4 miles east,

A person starts walking from home and walks 4 miles east, 7 miles southeast, 6 miles south, 5 miles southwest, and 3 miles east. How far have they walked? If they walked straight home, how far... more
Trigonometry Math Algebra 2 Geometry

05/28/21

Find the measure of angle a formed by the tangent lines. (see image)

https://i.imgur.com/b2BN2Pt.png(A) 75º(B) 150º(C) 105º(D) 115º(E) none of these
Trigonometry Math Algebra 2 Geometry

05/27/21

find a (see image)

https://i.imgur.com/8YEze7P.png(A) 130(B) 160(C) 50(D) 80(E) none of these
Trigonometry

05/27/21

Maths, Trigonometry

If we have a unit circle, then one unit measured along the circumference subtends an angle of 1 radian. Determine whether the following statements are True or False 2 units along the circumference... more
Trigonometry

05/27/21

Find the standard form of the equation of the ellipse with the given characteristics. Vertices: (0,4), (8,4); minor axis of length 10.

Find the standard form of the equation of the ellipse with the given characteristics.Vertices: (0,4), (8,4); minor axis of length 10.
Trigonometry

05/27/21

Find the standard form of the equation of the ellipse with the given characteristics and center at the origin. Vertices: (±7,0); Foci: (±5,0)

Find the standard form of the equation of the ellipse with the given characteristics and center at the origin.Vertices: (±7,0); Foci: (±5,0)
Trigonometry

05/27/21

Write the standard form of the equation of the circle with the given characteristics. center: (–5, –4); solution point: (–3, –7)

Write the standard form of the equation of the circle with the given characteristics.center: (–5, –4); solution point: (–3, –7)
Trigonometry

05/27/21

Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin. Directrix: y=2

Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin.Directrix: y=2
Trigonometry

05/27/21

Find the standard form of the equation of the ellipse with the given characteristics. foci: (-5,-12), (-5,-4), endpoints of the major axis: (-5,-16), (-5,0)

Find the standard form of the equation of the ellipse with the given characteristics.foci: (-5,-12), (-5,-4), endpoints of the major axis: (-5,-16), (-5,0)
Trigonometry

05/27/21

Give the standard form of the equation of the parabola with the given characteristics. focus: (–3, 13) directrix: y=0

Give the standard form of the equation of the parabola with the given characteristics.focus: (–3, 13) directrix: y=0
Trigonometry

05/27/21

Write the standard form of the equation of the circle with the given characteristics. center: (–1, –5); radius: 6

Write the standard form of the equation of the circle with the given characteristics.center: (–1, –5); radius: 6

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