Law of Sines Practice

Front

What is the Law of Sines?

Back

The Law of Sines states that in any triangle, the ratio of the length of a side to the sine of its opposite angle is constant. It can be expressed as: a/sin(A) = b/sin(B) = c/sin(C).

Front

How do you find the length of a side using the Law of Sines?

Back

To find the length of a side using the Law of Sines, you can rearrange the formula: a = b * (sin(A)/sin(B)).

Front

What is the formula for the Law of Sines?

Back

The formula for the Law of Sines is: a/sin(A) = b/sin(B) = c/sin(C).

Front

What is the significance of the angles in the Law of Sines?

Back

The angles in the Law of Sines are crucial because they determine the ratios of the sides. Each angle corresponds to its opposite side.

Front

How do you calculate an angle using the Law of Sines?

Back

To calculate an angle using the Law of Sines, rearrange the formula: A = sin^(-1)(a * sin(B)/b).

Front

What is the relationship between the angles and sides in a triangle?

Back

In a triangle, larger angles are opposite longer sides, and smaller angles are opposite shorter sides.

Front

What is the range of values for the sine function?

Back

The range of values for the sine function is between -1 and 1.

Front

How do you round numbers in mathematical problems?

Back

To round a number, look at the digit to the right of the place you are rounding to. If it is 5 or more, round up; if it is less than 5, round down.

Front

What is the sine of 90 degrees?

Back

The sine of 90 degrees is 1.

Front

What is the sine of 0 degrees?

Back

The sine of 0 degrees is 0.