04-04-2018
Mathematics

contestada

solve for the exact value(s) of x, 0
2sin2xcosx + sin2x = 0

Respuesta :

mkryukova19 mkryukova19

04-04-2018

sin2x (2cosx+1)=0
sin2x=0
2x=πn, n=0,1,2...
x=(π/2), 3π/2
2cosx=-1
cosx=-1/2
x=arccos(-1/2)
x=2π/3, 4π/3

Answer Link

Otras preguntas

Which sentence uses a verb that agrees with its subject?A.In a dark corner of the attic were many unopened boxes.B.Across the surface of the water glides swans.

An element with mass 1000 grams decays by 14.8% per minute. How much of the element is remaining after 11 minutes, to the nearest 10th of a gram?

which state capital is north of 40 degrees north latitude: Frankfort, denver, salt lake city, or columbus?

in a geometric series t1=23,t3=92 and the sum of all of the terms of the series is 62813. How many terms are in the series

What is the interquartile range of the data set below? Growth in feet of oak trees: 68,80,73,90,120,94,76,112,101,94,72(1) 22 (2) 28

how do you write fraction 9/10 as a decimaland how to convert fractions into decimals

se quiere embotellar 43,5 litros de leche en botellas de 0,750 de litro ¿cuantas botellas se necesitan?

What are the possible values for x in the equation 4x^2 = 64(1) x=0 (2) x=4 (3) x=4,-4 (4) x=0,4,-4

algae do not cause disease or not

What what handels full name