Trigonometric Ratios

Front

What is the definition of sine (sin) in a right triangle?

Back

Front

What is the definition of cosine (cos) in a right triangle?

Back

Front

What is the definition of tangent (tan) in a right triangle?

Back

Front

What does SOH stand for in trigonometry?

Back

Front

What does CAH stand for in trigonometry?

Back

Front

What does TOA stand for in trigonometry?

Back

Front

What is the relationship between the angles in a right triangle?

Back

In a right triangle, the sum of the angles is always 180 degrees, and one angle is always 90 degrees.

Front

What is the Pythagorean theorem?

Back

Front

How do you find the missing angle in a right triangle?

Back

To find the missing angle, use the fact that the sum of the angles in a triangle is 180 degrees. If one angle is 90 degrees, subtract the sum of the other two angles from 90.

Front

What is the sine of a 30° angle?

Back