missaavidhi8k
missaavidhi8k
31-07-2016
Mathematics
contestada
when is 2cos x + 1 >0 , < 0 AND = 0
Respuesta :
nobillionaireNobley
nobillionaireNobley
31-07-2016
-1 < cos x < 1
-2 < 2cos x < 2
-1 < 2cos x + 1 < 3
For 2cos x + 1 > 0
0 < 2cos x + 1 < 3
-1 < 2cos x < 2
-1/2 < cos x < 1
-60 degrees < x < 120 degrees
Answer Link
VER TODAS LAS RESPUESTAS ( 53+ )
Otras preguntas
Explain how the value of a decimal changes as you move to the left or the right in a place value chart
Which word in this sentence is a participle? Why do you need a new pair of running shoes? A. running B. do C. new D. need
What is diffusion? (From early china)
During photosynthesis, plants capture light energy from the Sun to break weak bonds in reactants, such as carbon dioxide and water, and form carbon-containing m
the sum of a number times 6 and 19 is at least -29
Find an equation of the line passing through the given points.use function notation to write the equation. (-3,3)and(-6,-2)
A submarine is diving from the surface of the water at a rate of 80 feet per minute which integer represents the depth of the submarine after 7 minute
describe five sources of chemical weathering
Is 6.5 greater than less than or equal to 6.75
Why did people settle in Mesopotamia?
