mgadel mgadel
  • 01-02-2017
  • Mathematics
contestada

How do I begin this equation

How do I begin this equation class=

Respuesta :

HomertheGenius
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

Otras preguntas

before becoming a professor of biblical scripture martin luther had pursued the religious life both as a ______ and a ________​
Calculate the calories lost when 85 g of water cools from 45 degrees Celsius to 23 degrees Celsius
What was Germany’s first major act of aggression under Hitler? A. the invasion of Poland B. the annexation of the Sudetenland C. the invasion of Cze
In your opinion,why should we protect our environment?​
What is a chromosome
Solve -6x+3y=9, -8x+4y=12 by elimination
Homework, Tuesday 4th FebWhat is Paris' attitude to Juliet being so young?"Younger than she are happy mothers made​
Find the perimeter of the figure
How many numbers can be put in a's place ,for the sentece to be true ?502<385+a<761
How can Overproduction of a particular substance cause that substance to lose its effectiveness