Ask your own question, for FREE!
Mathematics 19 Online
OpenStudy (anonymous):

Write the expression below as a single real number. Do not use decimal approximations. sin^2(-π/3)cos(7π/3)-2tan(-π/6)

OpenStudy (anonymous):

I wrote: \[(-\sqrt{3}/2)^2(1/2)-2(-1/\sqrt{3})\]

OpenStudy (jamesj):

Looks good, just simplify that expression a little.

OpenStudy (anonymous):

\[Answer = \frac{16\sqrt{3}+9}{24}\]

OpenStudy (anonymous):

Just looked weird and I wanted to make sure I was doing my math right.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
jay2craze: what color should i dye my dreads
10 hours ago 0 Replies 0 Medals
DonaldTrumpofQC: plz help
12 hours ago 13 Replies 0 Medals
danielfootball123: What are good stocks to invest
17 hours ago 3 Replies 0 Medals
Burro: 5(5x+7)+3(x+3)
1 day ago 13 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!