2335 Questions for the topic trigonometry

6h

How to find the height of a building
My teacher gave us a project to measure the angle of the top of a building and find the height of that building. Do we subtract 90 from the angle we got since it’s a 90 degree triangle? My... more
Follows • 1
Expert Answers •1
E5abab84 d950 4050 ac29 c61db1179726

11h

Find θ for 0 < θ < 360, if cot θ = 0.3256

How do you find this?
Follows • 0
Expert Answers •1
8850b6cd e12c 4532 90c8 8137a505b3c4

11h

Can someone please help me to answer this?
Solve these equations for 0°≤x≤360°. (a (Sin^2)x=0.65 (b (tan^2)x-2tanx-3=0
Follows • 1
Expert Answers •1
E5abab84 d950 4050 ac29 c61db1179726

11h

Suppose there is an angle in standard position whose terminal side intersects the unit circle at (5/13,12/13). Find the exact value of cos0 sec0 cot0.
Follows • 1
Expert Answers •1
7e09e419 fa4c 4734 b8bd 7f02a4ca072b

13h

1st Question) Cos 3x = - 1/sqrt(2) 2nd question) Sin(cos(5x))=0
For the 1st question, I had find all solutions of the equation which is pi/4 + 2pi/k, x= 5pi/12 + 2pi.k/3. Although you can double check if it's correct. The problem I'm having is that I have to... more
Follows • 1
Expert Answers •1
E5abab84 d950 4050 ac29 c61db1179726

22h

Trigonometry Word Problem: What is the height of the building?
You are standing 25ft away from the building. Your line of sight is 5ft from the ground. If you measure the angle of elevation to the top of the building to be 49º, how tall is the building?
Follows • 1
Expert Answers •1
8850b6cd e12c 4532 90c8 8137a505b3c4

23h

Trigonometry Word Problem: What is the height of the building?
You are standing 25ft away from the building. Your line of sight is 5ft from the ground. If you measure the angle of elevation to the top of the building to be 49º, how tall is the building?
Follows • 1
Expert Answers •1
8850b6cd e12c 4532 90c8 8137a505b3c4

1d

find the times "t" during the illness at which the patients temperature was 103
assume that the temperature "T" in degrees Fahrenheit, of a patient "t" days into a 12 day illness is given by :T(t) = (101.4degreesF) + [6degreesF Sin (x/8t)]
Follows • 1
Expert Answers •0

1d

Find the area of a sector of the circle with the radius 4 cm and central angle 5pi/6
Unsure how to fine the area of a sector with this given info
Follows • 1
Expert Answers •1
4cfe304c 5713 4f2e 9ae7 3b83dd84212a

1d

Write an equation about the movement of a Ferris wheel.
A Ferris whee with a radius of 15m rotates once every 100 seconds. Riders board the Ferris wheel using a platform that is 1 m above the ground.1, draw the graph for two rotations of the Ferris... more
Follows • 1
Expert Answers •1
729ca6f3 6daf 4c0f 90bd 13239aaaf292

1d

Need help with these Polynomial and Rational Functions Question?
Given the function f(x)=x(x+2)^4(x-4)^4(x-2)^3(x+5)^3, list the zeros of f(x), corresponding multiplicities, and whether they touch or cross the x-axis
Follows • 1
Expert Answers •1
4cfe304c 5713 4f2e 9ae7 3b83dd84212a

1d

Please Help!!!How many periods of the function y=sin x are between -8π≤0≤4π.
The chapter is called Graphs of Sine, Cosine and Tangent.
Follows • 1
Expert Answers •1

1d

Solve these equations for 0°≤x≤360° . (a Sin^2x=0.65 (b tan^x-2tanx-3=0

I know how graph look likebut cant understand it
Follows • 1
Expert Answers •0

1d

Trigonometry Word Problem

A ship leaves Miami and cruises for 74 mi on a bearing of S60°E. Another ship leaves at the same time and sails for 56 mi on a bearing of S20°E. How far apart are the two ships?
Follows • 1
Expert Answers •1

1d

Trigonometry Word Problem
From a point on the floor, the angle of elevation to the top of a door is 48°, while the angle of elevation to the ceiling above the door is 59°. If the door is 8 ft tall, what is the vertical... more
Follows • 1
Expert Answers •1
E5abab84 d950 4050 ac29 c61db1179726

6d

Inverse trig question
cos^-1 x+sin^-1 xThanks!
Follows • 1
Expert Answers •1
Cd8c8478 f40b 4e32 a4f9 2385694e0251

6d

trigonometry question
cos^2(pi/8-1/2)Not sure how to go about solving this... is it a cofunction identity or a sum and difference? Help please! Thanks!
Follows • 1
Expert Answers •1
E5abab84 d950 4050 ac29 c61db1179726

6d

Prove the trig equation
Prove: (sin^4 x-9)/(cos^2 x+2)=cos^2 x-4Thanks!
Follows • 2
Expert Answers •1
Cd5b3ae2 98a9 4138 b28e fd89fe4766b3

6d

trigonometry equation

Solve for x in terms of y: y=cot2xLooks like a simple equation, but I've been racking my brain trying to figure it out.Thanks!
Follows • 1
Expert Answers •2
Cd5b3ae2 98a9 4138 b28e fd89fe4766b3
729ca6f3 6daf 4c0f 90bd 13239aaaf292

6d

Trigonometric identities: sometimes, always, never
My teacher today told us that sin2x-cos2x=1 is sometimes true. I thought it would be never true because it’s not equivalent to sin2x+cos2x=1. Could someone explain why this it is sometimes true?
Follows • 1
Expert Answers •2
Cd5b3ae2 98a9 4138 b28e fd89fe4766b3

8d

Hello, Trying to solve a complex trig problem
Hello, I am trying to understand and solve this problem. If anyone is willing to help out I appreciate you! :)Problem:Choose a value of w between 0.01 and 0.05 and again plot the graph of f(t) =... more
Follows • 1
Expert Answers •1

9d

Please help me with this Trigonometry question. i appreciate it
Find all exact solutions on [0, 2π). (Enter your answers as a comma-separated list.) 2 tan2(t) = 3 sec(t)please help me understand this... I cant figure out how to even start this...thanks in advance more
Follows • 1
Expert Answers •1
E5abab84 d950 4050 ac29 c61db1179726

9d

Coming up with a formula for the answers to a sin(x) sequence.
So I've already done the grunt work and solved a trigonometric equation, the solutions to the equation are when x = pi/6, 5pi/6, 7pi/6, 11pi/6, 13pi/6 17pi/6.... etc I think you should understand... more
Follows • 1
Expert Answers •1

12d

If B = 18.9° and c = 8.11 cm, how do I solve for b
Follows • 1
Expert Answers •0

12d

Calculate dx/dt of the equation
x = (v2sin(2theta)/(9.8)v is a constantAlso assume that dtheta/dt is a negative constant
Follows • 1
Expert Answers •0
1 3 4 5 6 7 … 94

Still have a question? Ask your own and get expert help!