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 ( 92+ )
Otras preguntas
Help! Compare and contrast of Hitler Stalin and Mussolini
why has the court allowed legislative prayers but not organized school prayers?
how would you draw a counterexample to this?
In spite of the of his presentation, many people were with the speaker’s concepts and ideas. (A) interest…enthralled (B) power…taken (C) intensity…shocked (D) g
Sarah is twice as old as John. Six years ago, Sarah was 4 times as old as John was then. How old is John now?
Brand x cost $1.56 for 12 ounces. Brand y cost 2 ¢ more per ounce. What is The cost of 15 ounce of brandy
Question: it takes Nadeem 22 minutes to walk 1 kilometre. At this rate, approximately how long will it take Nadeem to walk 5 kilometres ?
What Is the Function of Personification in Poetry?
how glaciers created u- shaped valleys during the ice age
If p is a positive integer, which could be an odd integer? (A) 2p + 2 (B) p^3 - p (C) p^2 + p (D) p^2 - p (E) 7p - 3
ACCESS MORE
