lafikdadi
lafikdadi
31-03-2017
Mathematics
contestada
Evaluate Cos^-1(sin 330 degree)
Respuesta :
LammettHash
LammettHash
31-03-2017
[tex]330^\circ\equiv-30^\circ\mod360^\circ[/tex]
so
[tex]\sin330^\circ=\sin(-30^\circ)=-\sin30^\circ=-\dfrac12[/tex]
Finally,
[tex]\cos^{-1}\left(-\dfrac12\right)=\dfrac{2\pi}3\text{ rad}=120^\circ[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 87+ )
Otras preguntas
Read the excerpt below and answer the question. True, from dark-skinned sources have come those slave songs based on Protestant hymns and Biblical texts known a
It is not necessary to read credit contracts and agreements before signing them because they all have the same terms. false true
Which of the following statements gives a counter-argument? A) Most people believe that distracted driving is dangerous, but they do it anyway. B) How can anyon
Write the equation of a line in point-slope form thatſgoes through the coordinate (4, -3) and has a slope of 7. *
Which energy conversion occurs in an operating voltaic cell? A) electrical energy to nuclear energy B) chemical energy to electrical energy C) chemical energy t
Read the sentences [1] I am interested in history. [2] I decided to read the Declaration of Independence. Which of the following options shows the best revision
The goal of this milestone is to identify the objects needed for the UNO card game and the actions that those objects perform, rather than how the objects are a
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 50.7 degrees. Low Temperature (circle
Gavin and Jim are marking exam papers. Each set takes Gavin 48 minutes and Jim 1 hour. Express the times Gavin and Jim take as a ratio. Give your answer in its
Find the measure of the arc. А) 146°E B MACB = [? ]°
ACCESS MORE
EDU ACCESS