GuadalupeBermudez
GuadalupeBermudez
07-07-2016
Mathematics
contestada
If sin x = .42, what is cos x?
Respuesta :
mathmate
mathmate
07-07-2016
From the identity,
sin^2(x)+cos^2(x)=1
then
cos(x)=sqrt(1-sin^2(x))
where sin(x) is given as 0.42.
Note that the above answer applies to 0<x<90 degrees
Answer Link
VER TODAS LAS RESPUESTAS ( 75+ )
Otras preguntas
What is the value of y in the equation 6 + y = −3? (1 point) Group of answer choices −3 −9 3 9
Help please fast Si David_________la oportunidad, lucharía para proteger los derechos educativos de los niños indígenas. tuviera tuvo tenía tenería
Write a two-column proof on a space provided
What was Turkey part of prior of World War I? A. Austria-Hungary B. The Eastern Empire C. The Ottoman Empire D: Prussia
There are 357 basketball fans who plan to go to a game. How many buses will be needed, given that each bus can hold 45 fans?
Mr.Smith has p pounds of cookie dough. He is going to split it equally among his three children. Each child will get 0.42 pounds of cookie dough. Write and solv
Imma need some help here QwQ. A farmer has a total of 7825 beet plants. He wants to plant 40 beet plants in each row. He does the following work in long divisi
The table below shows a proportional relationship between qq and rr. qq rr 4848 66 128128 1616 160160 2020 Find the constant of proportionality from qq to rr. E
Find the values of x and y
Select the correct answer. On a map, which direction is indicated at the top?
