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

Read the list below before answering the question that follows. poll tax literacy test grandfather clause What do the three items on the list have in common? A

I was climbing a ladder in my backyard and I felt closer to god but then I thought god is us all too.

What value of k makes the equation below true 33k=1,716

Find the slope of the line. 1. (5, 3) (-5, 1)

Why does a blender need to be sanitized while a refrigerator does not? The refrigerator can be used to keep food at constant temperature. The blender comes in

What is $6.977 rounded to the nearest cent

Please help fffffffffffffffffffffffffff

9. Please type the correct conjugation for each verb. Make sure your answers are in lower case including the first letter. The verb is correr * Sara y Ana (1 Po

5. What city became a center of trade because of its location on the Hudson River? New York New Jersey Maine

Can you simplify 110/8