My Math Forum  

Go Back   My Math Forum > High School Math Forum > Trigonometry

Trigonometry Trigonometry Math Forum


Reply
 
LinkBack Thread Tools Display Modes
March 10th, 2017, 09:29 AM   #11
Senior Member
 
romsek's Avatar
 
Joined: Sep 2015
From: Southern California, USA

Posts: 1,600
Thanks: 816

Quote:
Originally Posted by skipjack View Post
Why did you calculate the value of b, but then not use it to find c?
Because it was early and I was tired.

I realize you are a moderator, but if you have so many problems with my posts why don't you just post the answer yourself?

Last edited by skipjack; April 8th, 2017 at 12:52 AM.
romsek is online now  
 
March 10th, 2017, 10:26 AM   #12
Global Moderator
 
Joined: Dec 2006

Posts: 18,140
Thanks: 1415

My first post in this thread hasn't been answered by TotalMathMan, and I like to give the first person who answers (yourself in this instance) a chance to improve their answer.
skipjack is offline  
April 8th, 2017, 12:50 AM   #13
Global Moderator
 
Joined: Dec 2006

Posts: 18,140
Thanks: 1415

There are various ways to do the problem. I would use c = a*cos(B) + b*cos(A).

There are two possible answers, as it can't be assumed that the triangle is acute-angled.
skipjack is offline  
Reply

  My Math Forum > High School Math Forum > Trigonometry

Tags
finding, length



Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
Finding arc length VincentP Geometry 2 November 14th, 2016 02:44 PM
Finding Length of x Matthew Trigonometry 8 January 10th, 2015 11:50 AM
Finding length unistu Geometry 5 January 7th, 2015 08:39 PM
What is the algorithm for finding the length of LCS of three Christ1m Computer Science 0 April 9th, 2011 05:26 PM
finding length of the curve.... lefucer Real Analysis 1 September 1st, 2008 09:35 AM





Copyright © 2017 My Math Forum. All rights reserved.