Find the exact value. If the expression is undefined, write undefined. csc 135

A.

B.
0

C.
undefined

D.

Question

Find the exact value. If the expression is undefined, write undefined. csc 135

  A.


  B.
0

  C.
undefined

  D.

alex6799 · Answer

$$A. \sqrt{2}$$
$$D. \frac{ 1 }{ 2 }$$

aihberkhan · Answer

What is your expression?

aihberkhan · Answer

Oh its csc 135?

alex6799 · Answer

yea

alex6799 · Answer

i think its A http://i1.cpcache.com/product_zoom/627420071/large_unit_circle_clock.jpg

aihberkhan · Answer

Okay. So if you were to look at a reference angle. $135º$ is in the 4th quadrant with a of $45º$.
 
Now... $sin 45º$ is $√2 /2$. This means that $csc 45º = √2 $

Since, this is positive and it is in the 5th quadrant... the answer would be A! $√2 $

aihberkhan · Answer

Hope this helped! Have a great day! :)

A medal would also be appreciated! Just click best response next to my name! 

Also, a fan would be appreciated as well! Just hover over my icon and click "Become A Fan". This will allow you to see every time I am online! :) 

If you see that I am online and need help with a question, just tag me in your question! 

@alex6799

alex6799 · Answer

YAY I GOT THIS ONE RIGHT!!!!!!