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 ( 73+ )
Otras preguntas
1+1 ( ignore this anyways put your discord name and number so I can make a gc:)
Can somebody help me out
Why Booker T. Washington started writing?
Brave New World can be considered a narrative text because it: A.) persuades the reader. B.) tells a story, C.) shares factual information, D.) describes variou
How did Americans respond to the problems of the 1980s?
Find the angle of depression from point A to point C. А 2 58° 6 mi B С Angle of depression = [ ? 1°
If you were provided with 4.25 grams of CaCl2, how many formula units of AgCl would be produced? 4 AgNO3 (aq) + 2 CaCl2 (aq) → 4 AgCl (s) + 2 Ca(NO3)2 (aq) a 6
What is the building block of all living things? 3. A the cell the chloroplast the nucleus D the cytoplasm 2. Which of the following statements is true?
Is the answer correct
In addition to the transmission electron microscope (TEM), there is another type of electron microscope that is frequently used for specific purposes when study
