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

Canada has a population that is about 1/10 as large as the united states. If canadas population is about 32 million, about how many people live in the united st

A child of weight 250 N climds 1.5 metres up a rope ladder in 5 seconds. Calculate the: A. work done B. power of the climb

What types of internal differences and divisions exist within your faith? (jesus, moses and muhammad

Which type of law governs the relationship between private individuals or companies?

27 g of Al will react with how much mass of O2 to produce Al2O3

Which of the following organelles is part of the endomembrane system? A) Ribosomes B) Golgi apparatus C) Mitochondria D) Centrioles

The hypothesis that evolution occurs and irregular rate through geologic time is known as

Let f(x) = x2 - 81. Find f-1(x).

Choose the source that would support or defend the following assertion. Your donation would help us to give the Help Group a larger part of our profit, which is

What does the burning of the human belongings symbolize? A. the self-sufficiency of the animals B. the success of the animals taking over the farm C. the breaki