SOLUTION: prove cos(x+pi/6)+sin(x-pi/3)=o

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Question 942761: prove cos(x+pi/6)+sin(x-pi/3)=o
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Expanding each term,
cos%28x%2Bpi%2F6%29=%28sqrt%283%29%2F2%29cos%28x%29-sin%28x%29%2F2
sin%28x-pi%2F3%29=sin%28x%29%2F2-%28sqrt%283%2F2%29%29cos%28x%29
Then adding them together,

cos%28x%2Bpi%2F6%29%2Bsin%28x-pi%2F3%29=0