Introduction to Trigonometric Ratios

The video tutorial introduces trigonometry, focusing on its application in measuring heights and distances using right angle triangles. It explains the properties of right angle triangles and demonstrates how to use sine, cosine, and tangent to solve problems involving kites. The tutorial also covers trigonometric ratios and the mnemonic SOHCAHTOA, providing a foundation for understanding and applying these concepts in practical scenarios.

What is the literal meaning of the word 'trigonometry'?

• Measurement of lines

• Measurement of triangles

• Measurement of circles

• Measurement of angles

In a right-angle triangle, what is the side opposite the 90-degree angle called?

• Hypotenuse

• Base

• Opposite

• Adjacent

If the string of a kite is 55 meters and makes a 30-degree angle with the ground, what trigonometric function helps find the height of the kite?

• Tangent

• Cosine

• Cosecant

• Sine

What is the value of sine 30 degrees?

• 0.707

• 0.866

• 0.5

• 1

When given an angle and the adjacent side, which trigonometric function is used to find the hypotenuse?

• Cosine

• Secant

• Sine

• Tangent

What is the value of cos 60 degrees?

• 1

• 0.5

• 0.866

• 0.707

If the height of a kite is 35 meters and the angle is 45 degrees, which function helps find the distance on the ground?

• Sine

• Cosine

• Cosecant

• Tangent

What mnemonic can help remember the trigonometric ratios?

• Pythagorean

• SOHCAHTOA

• SAS

• ASA

What is the reverse ratio of sine called?

• Tangent

• Cotangent

• Secant

• Cosecant

Which trigonometric function deals with angle theta, opposite side, and adjacent side?

• Sine

• Cosine

• Tangent

• Cosecant