Shakawaldgi
Shakawaldgi
02-09-2016
Mathematics
contestada
sec^2x+2sec=0. solve the equation for 0
Respuesta :
HomertheGenius
HomertheGenius
10-09-2016
u = sec x ( substitution )
u² + 2 u = 0
u ( u + 2 ) = 0
u = 0, or u = - 2
1/cos x = 0 1/cos x = - 2
(not accepted ) cos x = -1/2
x 1 = 2π/3, x 2 = 4π/3
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
Plz answer brainliest if right!
Farmers during the late 19th and early 20th century Select one: a. were able to increase the supply of their crops because new land and technology became availa
Identify the elemental makeup of proteins. A. Carbon, Hydrogen, and Oxygen B. Carbon, Hydrogen, and Oxygen in a 1:2:1 ratio C. Carbon, Hydrogen, Oxygen
Thomas worked in the nonmilitary operations of a large firm that produced both military and nonmilitary goods. When the company discontinued the production of n
Find three odd integers such that the sum of the first,two times the second, and 3 times the third is70
To change the contents of the text that appears on the face of a Button object, you must use the Caption property. True or false?
How many pounds can you loose in a week
Which is an unreliable source?
An Rh positive client vaginally gives birth to a 6 lb, 10 oz (3,005 g) neonate after 17 hours of labor. Which condition puts this client at risk for infection?
. When the woman falls from the Sky-World, the birds' actions show that animals A. have the same strength as people B, depend on them to take the lead C. recogn
