mgadel
mgadel
01-02-2017
Mathematics
contestada
How do I begin this equation
Respuesta :
HomertheGenius
HomertheGenius
07-02-2017
Trigonometry:
We know that csc x = 1 / sin x and π = 180°;
sin 5π/ 6 = sin 150° = 1/2
csc 2π / 3 = 1 / sin 120° = 1 / √3/2 = 2 / √3
Finally:
4 · 1/2 + 7 · ( 2 / √3 )² = 2 + 7 · 4/3 =
= 2 + 28/3 = 2 + 9 1/3 =
11 1/3
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
Since the end of the Cold War, what has been the primary cause of conflicts in Chechnya, Azerbaijan, and Bosnia? (1) religious and ethnic tensions (2) adoption
The Strategic Arms Limitation Treaty (SALT) agreements signed in the 1970s by the United States and the Soviet Union were efforts to (1) reduce Cold War tension
Résumer de aux champs
78÷39 in long division
At the Constitutional Convention of 1787, the Great Compromise between the large states and the small states resulted in (1) the creation of a bicameral legisla
The capsid of a virus is the a. protective outer coat. c. nucleus. b. cell membrane. d. cell wall and membrane complex.
President Andrew Jackson used the spoils system to (1) stop the westward expansion of slavery (2) strengthen the military for national defense (3) reward loyal
The Immigration Restriction League wanted Europeans to pass _____ before being allowed to immigrate to the United States. a literacy test a world history test a
Desertion was a problem in the South Vietnamese army. True or False
The picaresque novel affords the author the opportunity to concentrate on _____. one small incident character plot satire of society
