sparkyjones02 sparkyjones02
  • 12-02-2019
  • Mathematics
contestada

Evaluate cot(pi/3)
Pleaseeeee help!!!!!

Evaluate cotpi3 Pleaseeeee help class=

Respuesta :

dhiab
dhiab dhiab
  • 12-02-2019

Answer:

hello : cot(π/3) = √3/3

Step-by-step explanation:

note :

cot a = cosa /sina

so : cot(π/3) = cos(π/3)/sin(π/3)

but : cos(π/3) = 1/2  and   sin(π/3) = √3 /2

cot(π/3) = (1/2) / (√3 /2) = (1/2)×(2/√3 ) = 1/√3 = = (1×√3)/( √3 ×√3)= √3/3

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candance444
candance444 candance444
  • 14-05-2019

The answer is D on edgenui.ty

Answer Link

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