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

Nationalism is the desire to put one's country first. How did the Christmas Truce go against that (contradict)? Answer in a RACE paragraph (3 sentences).

For each pair of pants, Pedro has 2 shirts. Which models show this relationship? Check all that apply.

Who did Sam Houston bring in to help reduce the number of Native American raids and protect settlers?

Why are DNA fingerprints are more reliable than hand fingerprints in solving crimes.

The area of a triangle is 30 square inches. What is the length of the base if the height is 6 centimeters?

Put the following equation of a line into slope-intercept form, simplifying all fractions. Y – X= -5 Answer: Submit Answer attempt 1 out of 2

Brandon, the Marketing Manager at a public relations firm, suspects that one of his team members, Ross, has been engaging in substance abuse. Brandon has observ

can someone urgently help me with my java code? Ive been working on it for hours and its not working. *examples of required output at the bottom* code: public c

Can someone pls pls pls pls pls pls answer these question

Please help meeeeeeeeee