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04-12-2018
Mathematics

contestada

What us the exact value of cos(5pi/6)?

Respuesta :

04-12-2018

Answer:

Exact form:

-√3/2

Decimal form:

-0.866

Step-by-step explanation:

Answer Link

04-12-2018

Answer:

Ans: √3/2

Step-by-step explanation:

cos(5pi/6)=COS(-pi/6+pi)= -cos (pi/6)

cos(5pi/6)= -cos(pi/6)= negative square root of 3/2

Answer Link

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