01-01-2018
Mathematics

contestada

How to find the angles measures using the law of sines and cosines

How to find the angles measures using the law of sines and cosines class=

Respuesta :

tynollette tynollette

01-01-2018

when the three side lengths are given, use law of cosine;
a²=b²+c²-2bcCosA
exampel: 17²=10²+11²-2*10*11CosA
220CosA=100+121-289=-68
CosA=-68/220
use a calculator to find: A≈107

Answer Link

Otras preguntas

Last year Chelsea and Sonya took 236 pictures during Thanksgiving. This year Chelsea and Sonya each took the same amount of pictures. All together they took 500

round 1,844,938 to the nearest 1,000 and 100,000

The circumstance of a circle is represented by 2 pie r. If the radius of the circle is double, then the circumference is

Hamburgers cost $2.50 and cheeseburgers cost $3.50 at a snack bar. Ben has sold no more than $30 worth of hamburgers and cheeseburgers in the first hour of busi

How to write four hundred million, four

How many times does the graph of y=0.1x intersect the graph of y=sin(2x)

Please help me figure how to solve

A ________ device is a breath analyzer on your vehicle that is electronically connected to the ignition a.Sobriety Tester b. BAL analyzer c. Ignition Interlo

What is the measure of a specific material’s ability to insulate charges from each other? B. dielectric constant

!!!HELP!!! Population growth during the Gilded Age was due in large part to A)unemployment among workers. B)an improved food supply. C)better health care. D)imm