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

Es necesario ir a la____ a declarar todo el equipaje. a. aduana b. al mostrador c. puerta

The haitian revolution was significant because a.it was a rebellion led by european creoles. b.it was the first and only successful slave rebellion in latin ame

for each function determine if the given function is on the graph. y = 7x-2; (1,5) and (2,10)

Tom's red bicycle travels 50ft for every 3 pedal turns. How many pedal turns are needed to travel a mile

Why did the Spanish conquistadors come to the North America?

Which religious group faced increased discrimination in the wake of the terrorist attack on September 11th 2001

Typically homes ___________ over time and cars ______________ over time. a.appreciate; depreciate b.depreciate; appreciate C.depreciate; depreciate D.appreciate

Read this statement: Was the diet of a poor urban family in the early 20th century that much more nutritious than a McDonald's combo platter? Maybe it was; I'd

Select all of the examples of inner listening distractions. daydreaming physical exhaustion anxiety or worry loud music or noise formulating own reply while ot

A trial without a jury is referred to as a sidebar brief bench trial peremptory challenge