Question #6420088Single Choice

Algebra-2

Question

If and , which quadrant does lie in?

Options

A

First quadrant

B

Second quadrant

C

Third quadrant

D

Fourth quadrant

Answer & Analysis

Answer

A

Analysis

On the unit circle, the sign of the x- and y-coordinates determines the quadrant:
x > 0 , y > 0 : First quadrant.
x < 0 , y > 0 : Second quadrant.
x < 0 , y < 0 : Third quadrant.
x > 0 , y < 0 : Fourth quadrant.

Cosine (

-coordinate) is positive, and sine (

-coordinate) is also positive in the first quadrant.
The coordinates

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