What is the sine of 30°?

• 1
• 0
• Not defined
• 0.5

Answer explanation

sin 30° = 0.5

What is the cosine of 60°?

• Not defined
• 0.5
• 1
• 0

Answer explanation

cos 60° = 0.5

What is the tangent of 45°?

• Not defined
• 0
• 1
• 0.5

Answer explanation

tan 45° = 1

What is the value of sin²θ + cos²θ?

• 0
• Not defined
• 1
• 2

Answer explanation

Fundamental identity: sin²θ + cos²θ = 1

What is the sine of 90°?

• 0.5
• 0
• Not defined
• 1

Answer explanation

sin 90° = 1

What is the cosine of 0°?

• 0
• 1
• Not defined
• 0.5

Answer explanation

cos 0° = 1

What is the tangent of 0°?

• Not defined
• 1
• 0
• 0.5

Answer explanation

tan 0° = 0

What is the sine of 0°?

• 0.5
• Not defined
• 0
• 1

Answer explanation

sin 0° = 0

What is the cosine of 90°?

• 0
• Not defined
• 1
• 0.5

Answer explanation

cos 90° = 0

What is the tangent of 90°?

• 0
• Not defined
• 1
• 0.5

Answer explanation

tan 90° is not defined