$Math Homework Answers$

Questions
Hot!
Unanswered
Tags
Users
Ask a Question
Advertise With Us

how to figure width using a tangent?

Home
Trigonometry Answers
how to figure width using a tangent?

the width of a river in meters can be found by calculating 20 (tan 38 degrees),

find the width of the river to nearest meter.Length opposite tangent is 20.0 meters?

equation of a tangent line

asked Mar 22, 2013 in Trigonometry Answers by roger marman Level 1 User (140 points)

Please log in or register to add a comment.

Your answer

Your name to display (optional):

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

Anti-spam verification:

To avoid this verification in future, please log in or register.

1 Answer

20tan38=15.626m, so tan38=15.626/20=(opposite)/(adjacent). So length "opposite" the tangent is 20m, adjacent to the angle 38. The third side is sqrt(20^2+15.626^2)=25.38m.

answered Aug 14, 2015 by Rod Top Rated User (1.2m points)

Please log in or register to add a comment.

Related questions

1 answer

Find the equations of the lines that are tangent and normal to the curve e^ x + y^ 2 = 2 at the point (0, 1).

asked May 19, 2020 in Calculus Answers by anonymous | 2.6k views

equation of a tangent line

1 answer

Equation of the Tangent line.

asked Jan 7, 2019 in Calculus Answers by Nolan | 450 views

equation of a tangent line

1 answer

equation of the tangent line

asked Nov 2, 2018 in Calculus Answers by anonymous | 1.5k views

equation of a tangent line
calculus problems
equation of a line
calculus problem

1 answer

Find the two points where the tangent line is parallel to the line

asked Feb 6, 2018 in Calculus Answers by anonymous | 2.2k views

equation of a tangent line
calculus problems

1 answer

determine the equation of the tangent line to the curve defined by f(x)=4x+8 sqrt(x) at the point where x=25 and f(x)=140

asked Oct 1, 2017 in Calculus Answers by anonymous | 1.4k views

equation of a tangent line
calculus problem
equation of a line

1 answer

the line y = 2x+c is tangent to parabola y^2=4x then the vale of c is equal to

asked Apr 28, 2017 in Algebra 2 Answers by anonymous | 835 views

equation of line
equation of a tangent line
calculus problems

1 answer

If the slope of the tangent to a function equals 2y^2 . find the equation of the function if it passes through the point (4.5)?

asked Jun 26, 2016 in Other Math Topics by Yahya | 724 views

equation of a tangent line

1 answer

Find the equation of the tangent line to f(x)=x^2+1 with slope of -2

asked Jan 28, 2016 in Calculus Answers by Phillendah | 744 views

equation of a tangent line
to f(x)=x^2 with slope of -2

1 answer

Write the equation of the tangent to the curve y=|x| at the point (-2,2) ?

asked Jan 21, 2016 in Calculus Answers by anonymous | 1.8k views

equation of a tangent line
calculus
calculus problem

1 answer

find the slope and equation of the tangent line to the curve y=4x squared -2x + 2 ln x at(1,4)

asked Nov 12, 2015 in Calculus Answers by Sundus | 972 views

calculus problem
equation of a tangent line
equation of a line tangent

1 answer

For the function f(x)=x^2-3, find the slope of the tangent line at x=1

asked Aug 20, 2015 in Calculus Answers by anonymous | 1.1k views

equation of a tangent line
calculus problems
directional derivative
slope of a line

1 answer

equation of the tangent line at x=1 for f(x)=2sqrt/4x^2-5

asked Jul 19, 2015 in Calculus Answers by anonymous | 706 views

equation of a tangent line
calculus problems

1 answer

write the equation of the tangent line through (1,2) for sqrtx/y^2+4+15/8=2x

asked Jul 11, 2015 in Calculus Answers by rod | 1.3k views

equation of a tangent line
calculus problems

1 answer

find the equation of tangent line to the graph of y=sqr(x) which is penpendicular to the line 2x+3y=5

asked Apr 12, 2015 in Calculus Answers by anonymous | 1.2k views

equation of a tangent line
calculus problem
calculus problems

2 answers

find equation of tangent line to the graph of f at the point (a, f(a)) f(x) = 1/x^3

asked Mar 2, 2015 in Calculus Answers by anonymous | 1.3k views

equation of a tangent line

1 answer

find the equation of tangent line to the curve y=3x²-4 that is parallel to the line 3x+y=4.

asked Apr 24, 2014 in Calculus Answers by jie | 2.2k views

equation of a tangent line

1 answer

write the equation of the line that is tangent at the given point (x-2)^2+(y-4)^2=289;(-15,4)

asked Feb 10, 2014 in Algebra 2 Answers by Drina.E. | 756 views

tangent of a circle
equation of a tangent line

1 answer

Find equations of the tangent lines to the curve y = x − 1 x + 1, parallel to the line x − 2y = 5.

asked Feb 3, 2014 in Calculus Answers by anonymous | 2.8k views

equation of a tangent line
calculus problem
parallel lines

1 answer

4y^2-√(x)=32 (16,3) find the equation of the tangent line at the given point

asked Jun 18, 2013 in Calculus Answers by anonymous | 1.6k views

calculus problem
equation of a tangent line

1 answer

write an equation of the line that is tangent to the circle at the given point.

asked May 7, 2013 in Algebra 2 Answers by anonymous | 925 views

equation of a tangent line
tangent of a circle

Remember

Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

50+50-25X0+2+2= (19)
it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
Solve 15 -1(12÷4+1)? (4)
8:4(5+2) (3)
How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

algebra problems solving equations word problems calculating percentages math problem geometry problems calculus problems math fraction problems trigonometry problems rounding numbers simplifying expressions solve for x order of operations probability algebra pre algebra problems word problem evaluate the expression slope intercept form statistics problems factoring polynomials solving inequalities 6th grade math

87,516 questions

100,279 answers

2,420 comments

731,670 users

Send feedback
privacy policy

Donut Theme with by Amiya Sahu

Powered by Question2Answer

mathhomeworkanswers.org