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

What comes after EA Sports

how can you protect yourself from internet hoaxes cyber awareness?

Graph the line passing through the point (2, - 2) with the slope m = 4/3

what is the molecular activity of mattern

Subtract the linear expressions. (25x−1)−(14x+2) What is the difference? Enter your answer in the box. Enter fractions as simplified fractions.

What was the exact date of the release of the skin Renegade Raider?

do human blood cells contain a cell wall?

Most of the oxygen that enters the atmosphere is produced during which chemical process? Transpiration Photosynthesis Respiration Fermentation

The black graph is the graph of y = f(x). Choose the equation for the red graph. у न्टगि a. y = f(2x) b. y = f (1) c. 2y = f(x) d. = f(x) У

The point (4, 12) is an ordered pair in a proportional relationship. What equation represents this relationship? A. = 1 3 B. = 12 C. = 3 D. = 4�