Beginning Trigonometry 1

What is trigonometry primarily concerned with?

• The study of planets

• Specific functions of angles and their application to calculations

• The history of mathematics

• The study of algebra

Which of the following is NOT a trigonometric function?

• Division

• Tangent

• Cosine

• Sine

What was trigonometry's main application in ancient civilizations?

• Studying the human body

• Developing computer algorithms

• Computing angles and distances in fields like astronomy and surveying

• Predicting the weather

What does the word 'trigonometry' come from?

• Sanskrit words meaning 'science of triangles'

• Latin words meaning 'measuring the stars'

• Greek words meaning 'measuring triangular forms'

• Greek words meaning 'triangle' and 'to measure'

What kind of problems does plane trigonometry deal with?

• Problems involving angles and distances in more than one plane

• Problems involving angles and distances in one plane

• Problems involving the study of planets

• Problems involving chemical reactions

Which trigonometric function is defined as the ratio of the adjacent side to the hypotenuse of a right-angled triangle?

• Sine

• Cosine

• Tangent

• Cotangent

What is the value of sine 90 degrees?

• 0

• 1

• 1/2

• √2/2

What is the cosine of 0 degrees?

• 0

• 1

• 1/2

• √3/2

Which trigonometric function is defined as the ratio of the opposite side to the adjacent side of a right-angled triangle?

• Sine

• Cosine

• Tangent

• Secant

What is the value of tangent 45 degrees?

• 0

• 1

• √2/2

• √3/3