loghanmyers
contestada

For what x-value(s) does sin(x) = 0?
a. -270°, -90°, 90°, and 270°
b. -270°, -90°, 0°, 90°, and 270°
c. -360°, 0°, and 360°
d. -360°, -180°, 0°, 180°, and 360°

Respuesta :

bcalle
Sin x = 0

On the unit circle Sin x = 0 at 0 degrees, 180 degrees, -180 degrees, 360 degrees, -360 degrees

LETTER D
Christinecoconnor
sin(x)=0 when x equals d. -360°, -180°, 0°, 180°, and 360°. 
sin(-360°)=sin(-180°)=sin0°=sin180°=sin360°=opp/hyp=0/1

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