01-02-2017
Mathematics

contestada

How do I begin this equation

How do I begin this equation class=

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

Otras preguntas

In the equation b1= r * (Sy/Sx), how do I get the number for r (correlation) given the averages of X and Y and their standard deviations?

lucas and erick are factoring the polynomial 12x3 – 6x2 8x – 4. lucas groups the polynomial (12x3 8x) (–6x2 – 4) to factor. erick groups the polynomial (12x3 –

What is the product of 4 2\3 and 11 1\4?

A record of one's activities during a 24 hour period is a

Julie needs to cut 4 pieces of yarn, each with the same length, and a piece of yarn 7.75 inches long. Let y represent the length of each of the equal pieces of

Ecological equivalents are different species that occupy the same niche, but A.in the same geographical region. B.the same population. C.different geographical

utilizando la equivalencia indicada, resuelve el siguiente ejercicio : 1 galón = 3.785 litros 42 galones = ______ litros

One way parents and guardians can influence technology use is to model proper use for their children. What outcome would you expect if this guideline was follow

Another name for pueblo is _____.

The temperature that sound moves through the air more quickly