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 ( 59+ )
Otras preguntas
when rocks are broken down by heat and pressure, chemically weathering has taken place
Which is a point mutation?
A 12-inch diameter pizza is sliced into sixths. What's the area of one slice?
What is the mass of 2.90 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?
Which is not an example of a symbol? A word, a picture, an object or an opinion?
How often do you drink water? Nine times ...........day a) on b) in c) a d) after
El Greco moved to Toledo, Spain where he hoped for a court appointment from ________. a. Philip I b. Philip II c. Ferdinand d. Santiago
What was Dr King's speech about?
Are capacity and amount the same
what bay is eastern of canada
