4.1 Review (PC2)

Front

What is the angle of elevation?

Back

The angle of elevation is the angle formed by the horizontal line and the line of sight to an object above the horizontal line.

Front

How do you find the height of an object using the angle of elevation?

Back

You can use the tangent function: height = distance from the object * tan(angle of elevation).

Front

What is the formula for rationalizing a fraction with a square root in the denominator?

Back

Multiply the numerator and denominator by the square root in the denominator.

Front

What is cotangent in trigonometry?

Back

Front

How do you convert cotangent to an angle?

Back

Front

What is the relationship between sine, cosine, and tangent?

Back

Front

What is the significance of rounding in mathematical problems?

Back

Rounding helps simplify answers to a manageable number of decimal places, making them easier to interpret.

Front

How do you determine if an answer is 'none of these' in multiple choice questions?

Back

Check if the calculated answer does not match any of the provided options.

Front

What is the formula for finding the height of a lighthouse using the angle of elevation?

Back

Height = distance from the base * tan(angle of elevation).

Front

What is the purpose of drawing a triangle in trigonometry problems?

Back

Drawing a triangle helps visualize the relationships between angles and sides, making it easier to apply trigonometric functions.