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

You want to learn about your congressperson's voting record. Where would you find information on how they voted? A. House records B. Petition C.

What is the percent of increase from 50 to 90? A. 40% B. 44% C. 56% D. 80%

what is the volume of two cubes with a side length of fraction 1 over 2 foot? v = s3, where s is the side length. fraction 1 over 2 ft3 fraction 1 over 4 ft3 fr

what is not a not a hypothesis?

which religions were practiced in the mughal empire? a-hinduism and buddhism b-islam and sikhism c-hinduism and christianity d-islam and christianity

You are studying the amino acid sequence of a protein shared by four organisms. You want to know which organism is most closely related to organism A. You have

Why is the first step in responding to life-threatening situations to assess the situation?

if the sales tax in your city is 6.1%, and an item costs $167 before tax, how much tax would you pay on that item?

what is the prefix of protruded?

A patient needs to take 625 mg of ibuprofen twice daily. The pills in the bottle are each 250. mg. How many pills does the patient need to take each time she wa