ibis121
ibis121
06-12-2014
Mathematics
contestada
how to find cos(-19pi/6)
Respuesta :
jamiealt123
jamiealt123
06-12-2014
Use the unit circle.
-19pi/6 is the same as 3pi + pi/6
This means that it goes around the unit circle 3pi times and ends up at 7pi/6
So -19pi/6 is equivalent to 7pi/6.
Looking at the unit circle, cos(7pi/6) = -√3/2
Answer Link
VER TODAS LAS RESPUESTAS ( 25+ )
Otras preguntas
what are two possible uses of genetic engineering
what are two possible uses of genetic engineering
What is the volume of a sphere when r = 9 ft
what is a quote from the odyssey that shows odysseus' religion
what are two possible uses of genetic engineering
what are two possible uses of genetic engineering
what are two possible uses of genetic engineering
At sea level, water boils at 100 degrees celcius and methane boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction betwe
what is a quote from the odyssey that shows odysseus' religion
what is a quote from the odyssey that shows odysseus' religion
