Evaluate without using a calculator: tan (330)
My answer was (-sqrt 3)/3
Please check my answer...i'm awful at math :/
Thanks! :)

Question

Evaluate without using a calculator: tan (330)
My answer was (-sqrt 3)/3
Please check my answer...i'm awful at math :/
Thanks! :)

chaise · Answer

This is correct! :)

anonymous · Answer

Thanks! Um, but i don't understand my next problem which is csc (-405)
Can you explain to me please?

chaise · Answer

I'm not too familiar with csc, but what I will tell you is that -405degrees is the same as -45 degrees, if that is hepful!

anonymous · Answer

csc (angle) = 1/ sin (angle)

cosecant is just the reciprocal of the sine function.

anonymous · Answer

would the answer be $$\sqrt{-2}$$?

anonymous · Answer

sorry i meant -$$\sqrt{2}$$

anonymous · Answer

forgot the negative....

chaise · Answer

she did do the negative, it was just in the next line. she did the negative out of equation editor and the sqrt(2) in the equation editor which moves it down to the next line

it's a little ambiguous, but it is there.

anonymous · Answer

... so it's right? negative square root two? lol xD

anonymous · Answer

yes... see?  don't every say you're awful at math again!!!

good work.  :)