SOLUTION: use a cofunction to write an expression equal to cot pi/12 thanks!

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Question 696533: use a cofunction to write an expression equal to cot pi/12
thanks!

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

trig co-functions come in pairs:
sine ---cosine
secant --- cosecant
tangent --- cotangent



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