Blanpied precal midterm 2024 a

Front

What is the definition of sine in a right triangle?

Back

Sine (sin) of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

Back

Front

What is the relationship between the sides of a right triangle and the angles?

Back

The lengths of the sides of a right triangle are proportional to the sine, cosine, and tangent of its angles.

Front

How do you find the height of a tree using trigonometry when given the length of the shadow and the angle of elevation?

Back

Use the formula: height = shadow length * tan(angle of elevation).

Front

What is the definition of cotangent in terms of sine and cosine?

Back

Front

Back

Front

In a right triangle, if one angle is 90 degrees, what is the sum of the other two angles?

Back

The sum of the other two angles in a right triangle is always 90 degrees.

Front

What is the formula to find the length of a side in a right triangle using the Pythagorean theorem?

Back

Front

How do you calculate the height of a leaning tower using trigonometry?

Back

Use the formula: height = wire length * sin(angle).

Front

What is the definition of tangent in a right triangle?

Back

Tangent (tan) of an angle is the ratio of the length of the opposite side to the length of the adjacent side.