danyfrag
danyfrag danyfrag
  • 24-09-2020
  • Mathematics
contestada

HELP ME PLEASE!! Find R and theta with the coordinates (-3,7).

Respuesta :

aridilks
aridilks aridilks
  • 24-09-2020

Answer:

Since r is the distance from the origin to (x,y), it is the magnitude r=√x2+y2. Alternatively, from the equation (1), one can calculate directly that x2+y2=r2cos2θ+r2sin2θ=r2(cos2θ+sin2θ)=r2.

Step-by-step explanation:

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