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2 years ago

For which value of theta is sintheta= -1?pi/2pi3pi/22pi

Mathematics

1 answer:

zmey [24]2 years ago

7 0

Answer:

3π/2

Step-by-step explanation:

It may help you to realize that the (x, y) coordinates of the point on the unit circle are ...

(x, y) = (cos(θ), sin(θ))

Since you want sin(θ) = -1, look for the point on the unit circle that has a y-value of -1. It is the point (0, -1) at the bottom of the circle, where the angle is shown as ...

θ = 3π/2

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For which value of theta is sintheta= -1?pi/2pi3pi/22pi​

For which value of theta is sintheta= -1?pi/2pi3pi/22pi