Trigonometry Beyond 360 Degrees

What is the value of cosec(450°)-sec(-180°)+cot(90°)?

• 2

• undefined
• 0
• 1

Convert 450° to radians.

• 7π/4

• 5π/2

• 3π/2

• 2π

Evaluate cos(720°)+sec(135°)-sin(330°)

• 1.5 - √2
• 0.5 - √2
• 1.5 + √2
• -1.5

Find the value of tan(1080°).

• 0

• 1

• -1

• undefined

• 0

• -0.5

• 1

• -1

Convert 1260° to radians.

• 6π

• 7π

• 5π

• 8π

What is the reference angle for 1500°?

• 120°

• 60°

• 90°

• 30°

• -7/24

• 7/25

• -7/25

• -24/25

• -1/2

• -2

• 1/2

• 2

Simplify cos(270°+A)-cos(-60°)-sin(-30°)-sin(180°-A).

• cos A-sin A

• 2 sin A

• 2 cos A

• 0