Trigonometric Quadrants

In trigonometry, the Cartesian coordinate system is divided into four quadrants. Quadrant I: All trigonometric functions are positive. Quadrant II: Sine is positive. Quadrant III: Tangent is positive. Quadrant IV: Cosine is positive.

Flashcard 1

Q: What is the angle range for Quadrant I?
A: 0° to 90° (0 to π/2 radians)

Flashcard 2

Q: What are the signs of sine, cosine, and tangent in Quadrant I?
A: Sine (sin): Positive, Cosine (cos): Positive, Tangent (tan): Positive

Flashcard 3

Q: What is the angle range for Quadrant II?
A: 90° to 180° (π/2 to π radians)

Flashcard 4

Q: What are the signs of sine, cosine, and tangent in Quadrant II?
A: Sine (sin): Positive, Cosine (cos): Negative, Tangent (tan): Negative

Flashcard 5

Q: What is the angle range for Quadrant III?
A: 180° to 270° (π to 3π/2 radians)

Flashcard 6

Q: What are the signs of sine, cosine, and tangent in Quadrant III?
A: Sine (sin): Negative, Cosine (cos): Negative, Tangent (tan): Positive

Flashcard 7

Q: What is the angle range for Quadrant IV?
A: 270° to 360° (3π/2 to 2π radians)

Flashcard 8

Q: What are the signs of sine, cosine, and tangent in Quadrant IV?
A: Sine (sin): Negative, Cosine (cos): Positive, Tangent (tan): Negative