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anonymous
 one year ago
Evaluate the expression without using a calculator. sin pi/6 + cos pi/6
I'm so lost on how to do this :/
anonymous
 one year ago
Evaluate the expression without using a calculator. sin pi/6 + cos pi/6 I'm so lost on how to do this :/

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sin pi/6 +cos pi/6 this is same as sin 30 + cos 30

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0unit circle https://en.wikipedia.org/wiki/Unit_circle#/media/File:Unit_circle_angles_color.svg (cos,sin)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh okay I understand now. Thanks

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sin30= 1/2 and cos 30= \[\sqrt{3/2}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now solve \[1/2 +\sqrt{3/2}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It says in the back of the book that its \[1+\sqrt{3}/2\] but idk understand how they got the radical

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0from the unit circle

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so, 1+\[\sqrt{3}/2\] is the answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0nevermind I do see now

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0its just simple.since they have same denominator, you just add the numerators

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0very correct. now you understand
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