virtueajibola985
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  • 27-06-2022
  • Mathematics
contestada

sin 30°-cos 30°÷ sin 60°

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Respuesta :

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  • 28-06-2022

Answer:

-1/2

Step-by-step explanation:

sin(30 degrees) = sin (pi/6) = 1/2

cos(30 degrees) = cos (pi/6) = [sqrt(3)]/2]

sin (60 degrees) = sin(pi/3) = [sqrt(3)]/2]

1/2 - [sqrt(3)/2] / [sqrt(3)/2] = -1/2

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