How do i complete the following table?

Question

anonymous · Answer

attachment

nottim · Answer

lol  isaw this chart online...
OOPS

nottim · Answer

the complete chart
OOPS

anonymous · Answer

really? oh. lol. But I dont want the answers, I jsut want to know how to solve it

nottim · Answer

http://www.google.ca/imgres?imgurl=http://wchhh.us/math/know_trig2.jpg&imgrefurl=http://urbanpaving.co.uk/ajmyozi.html&h=288&w=500&sz=16&tbnid=pS98QDmaiQVo8M:&tbnh=71&tbnw=124&prev=/search%3Fq%3Dtrig%2Bchart%26tbm%3Disch%26tbo%3Du&zoom=1&q=trig+chart&docid=wxQEmLGYlfji7M&hl=en&sa=X&ei=eIaCT8q_NPSF0QHZusz2Bw&sqi=2&ved=0CDkQ9QEwBA&dur=697 OOPS

nottim · Answer

oops. i dunno how to solve either.

anonymous · Answer

Oh. lol. well thanks for the info anyways:)

nottim · Answer

i was told to memorize it in my days. dunno if thats want yu suppose to do.

callisto · Answer

^ same here... and I totally forget how it comes.. except for the 45 degrees one :(

anonymous · Answer

Coz, I can finish this with decimals, but they want it as frcations

nottim · Answer

yeah. same to me.

callisto · Answer

If we know sin 30 =1/2
Then, draw a right triangle|dw:1333954420425:dw|
Then, you can use this 30-90-60 right angle triangle to find the other ratios