SOLUTION: Find the exact values of sin13/6&#960;, cos13/6&#960;, and tan13/6&#960;. Just not sure what method to use to solve this~ Thanks :)

Algebra ->  Algebra  -> Trigonometry-basics -> SOLUTION: Find the exact values of sin13/6&#960;, cos13/6&#960;, and tan13/6&#960;. Just not sure what method to use to solve this~ Thanks :)      Log On

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 Click here to see ALL problems on Trigonometry-basics Question 568922: Find the exact values of sin13/6π, cos13/6π, and tan13/6π. Just not sure what method to use to solve this~ Thanks :)Answer by lwsshak3(6522)   (Show Source): You can put this solution on YOUR website!Find the exact values of sin13/6π, cos13/6π, and tan13/6π. ** (13/6π)=(13π/6)=(12π/6+π/6)=(2π+π/6) .. sin(13π/6)=sin(2π+π/6)=sin(π/6)=1/2 cos(13π/6)=sin(2π+π/6)=cos(π/6)=√3/2 tan(13π/6)=tan(2π+π/6)=tan(π/6)=√3/3 .. you could have use the trig addition formulas for sin, cos and tan, and you would get the same answers.