janny23 janny23

23-03-2015
Mathematics

Answered

Plz Help!! The exact value of sin 255 degree is
a) (-sqrt3-1) / (2sqrt2)
b) (sqrt 3+1) / (2sqrt2)
c) (-sqrt3+1) / (2sqrt2)
d) (sqrt3-1) / (2sqrt2)

Answer :

Since3122015 Since3122015

23-03-2015

A.

[tex] \frac{- \sqrt{3} -1}{2 \sqrt{2} } [/tex]

Answer Link

Other Questions

A train traveled 720km in 9h. How far would it travel in 11 hr? How long would it take to go 1120km?

What is the length of the missing side of the quadrilateral shown if the perimeter is 5x^2+2x+1?

The director of a play estimated there were 250 people in the theater to see the play’s performance. The actual number of people who were in the audience was 23

What happens to land when there are too many cattle? Overgrazing ruins the land. The rancher earns more money. It is easier to watch the cattle. Each year a dif

which foreign affairs policy includes a specific focus on fostering democracy? the Bush Doctrine the new world order the Doctrine of Enlargement preemption

4. Express 79.2% as a decimal.

In which of the following sentences are italics properly used? A I really enjoyed reading The Catcher in the Rye while I was on vacation in Florida. B I really

what is the simple subject in the sentence complicated aircraft instruments indicate wind speed

The two types of federal courts created by Congress are ____. a. special courts and general courts b. constitutional courts and legislative courts c. civil cour

Expand and simplify 4a^2(b^2-c)+2ab(ab-c)-ac(a+2b)