0
   

Basic Trig Question

 
 
Air721
 
Reply Sun 24 Feb, 2013 11:18 am
What is a? if b=10, c=6, A=55

  • Topic Stats
  • Top Replies
  • Link to this Topic
Type: Question • Score: 0 • Views: 762 • Replies: 1
No top replies

 
violy
 
  1  
Reply Mon 1 Apr, 2013 12:39 am
@Air721,
Use Law of cosines here:
a^2 = b^2 + c^2 - 2bccosA
a^2 = 10^2 + 6^2 - 2(10)(6)cos(55)
a^2 = 136 - 120cos(55)
a^2 = 67.17082764
a = 8
0 Replies
 
 

Related Topics

Amount of Time - Question by Randy Dandy
logical number sequence riddle - Question by feather
Calc help needed - Question by mjborowsky
HELP! The Product and Quotient Rules - Question by charsha
STRAIGHT LINES - Question by iqrasarguru
Possible Proof of the ABC Conjecture - Discussion by oralloy
Help with a simple math problem? - Question by Anonymous1234567890
How do I do this on a ti 84 calculator? - Question by Anonymous1234567890
 
  1. Forums
  2. » Basic Trig Question
Copyright © 2019 MadLab, LLC :: Terms of Service :: Privacy Policy :: Page generated in 0.03 seconds on 10/16/2019 at 01:32:07