Katerwisebriamosem
Katerwisebriamosem
21-11-2016
Mathematics
contestada
2cos^2x+3cosx-2=0 ...?
Respuesta :
syed514
syed514
21-11-2016
Its like a polynomial.
cosx=x
so it'll be like
2x^2+3x-2=0
(2x−1)(x+2)
which makes your life easy because you do not have to solve cos(x)=−2 because it cannot be, so only solve cos(x)=1/2
Answer Link
VER TODAS LAS RESPUESTAS ( 63+ )
Otras preguntas
I need help to find the angle measure of angle R
In what way does Gabriel okara in new year eve midnight suggest the idea of death and how does it connect with his unfulfilled hope
3.2. Cardboard is very good recycling material. Collected cardboard is flattened first and the tied in in bundles that are 15 cm thick. 3.3. 3.2.1. Convert 15 c
Im bad at my spanish grammer so i just need that checked, plus anything that needs corrected gets corrected ALL VERBS MUST BE IN THE COMMAND FORM ingredientes
divide 16x³+31.6x²-6.8x-12 by x+2
I need some help please
What do u do next when CT confirms that a patient has an inflamed appendix.
Why in these examples, the second verb is in the infinitive? - On doit arriver à l'école - Il faut porter un uniforme
The Lead-X Basketball team ordered three baskets of chicken strips and four small sodas for a total of twenty-two dollars and twenty-nine cents. On Wednesday, t
Explain how the rate of enviromental change depends on the type of succession.
