angelique2051 angelique2051
  • 04-06-2021
  • Mathematics
contestada

The terminal side of theta in standard position contains the point (-4,-2).
Find the exact value for sine theta:

Respuesta :

facundo3141592
facundo3141592 facundo3141592
  • 09-06-2021

Answer:

sin(θ) = -0.894

Step-by-step explanation:

If we have a point (x, y), the angle formed between the positive x-axis and the ray that connects the origin with the point is given by:

tan(θ) = y/x

cos(θ) = y/√(x^2 + y^2)

sin(θ) = x/√(x^2 + y^2)

Here we have the point (-4, -2)

so we have:

x = -4

y = -2

Replacing these values in the sine equation, we get:

sin(θ) = -4/√((-4)^2 + (-2)^2)

sin(θ) = -0.894

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