What is the middle position of mathematics?

What is the term for the study of triangles?

What does the term 'tri' in trigonometry refer to?

What is the value of sin A?

• 0

• 1

• 0.5

• 0.866

What is the value of cos A?

• 0

• 1

• 0.5

• 0.866

What is the value of tan A?

• 0

• 1

• 0.5

• 0.866

Fill in the blank: The value of sin 90° is ____.

What is the value of tan 45°?

• 0

• 1

• 0.5

• 0.866

What is the sine of angle A?

• sin A

• cos A

• tan A

• cosec A

What is the cosine of angle A?

• cos A

• sin A

• tan A

• sec A