briannaparker11 briannaparker11

04-12-2018
Mathematics

contestada

Which point on the unit circle corresponds to -pi/6 ?

(-(sqrt3)/2, 1/2)

(-1/2, (sqrt3)/2)

(1/2, -(sqrt3)/2)

((sqrt3)/2, -1/2)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

04-12-2018

Answer:

(srt(3)/2, -1/2)

Step-by-step explanation:

x = rcos theta

r = 1 on unit circle

x = 1 cos (-pi/6)

x = sqrt(3)/2

y = r sin theta

y =1 sin (-pi/6)=

y = -1/2

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