Intro to Trig Review Fall 2024

Front

What is the conversion formula from degrees to radians?

Back

To convert degrees to radians, multiply by π/180.

Front

What is 1 radian in degrees?

Back

1 radian is approximately 57.2958 degrees.

Front

What is the relationship between coterminal angles?

Back

Coterminal angles are angles that differ by a multiple of 360° (or 2π radians).

Front

How do you find a coterminal angle for a given angle?

Back

Add or subtract 360° (or 2π radians) until the angle is within the range of 0° to 360°.

Front

What is the value of π in degrees?

Back

π radians is equal to 180°.

Front

Convert 90° to radians.

Back

90° is π/2 radians.

Front

What is the value of 180° in radians?

Back

180° is π radians.

Front

Convert 45° to radians.

Back

45° is π/4 radians.

Front

What is the formula to convert radians to degrees?

Back

To convert radians to degrees, multiply by 180/π.

Front

What is 360° in radians?

Back

360° is 2π radians.