Now that I know what a reference angle is, I can help (Giggle)
Originally Posted by NeedHelp18
Hence it is not cot 80 ;)
my answer:sin 70
140 is in the second quadrant. Hence, its reference angle will be 180-140=40.
csc 140 ( can someone help me do this one?? I have no clue)
my answer: sin 3pi/11
II. Find the value of each function.
(its in degrees)
my answer: sqrt.3/2
sec(133)=1/cos(133) ~ -1.466
sec 133 ( can someone help me how to do this one?)