Flashcard on Solving Right Triangles (Trig)

Front

What is the definition of a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Front

What is the Pythagorean theorem?

Back

Front

What is the sine ratio in a right triangle?

Back

Front

What is the cosine ratio in a right triangle?

Back

Front

What is the tangent ratio in a right triangle?

Back

Front

How do you remember the trigonometric ratios?

Back

A common mnemonic to remember the trigonometric ratios is 'Soh Cah Toa', which stands for: Sine = Opposite/Hypotenuse, Cosine = Adjacent/Hypotenuse, Tangent = Opposite/Adjacent.

Front

If the opposite side is 5 and the hypotenuse is 13, what is the sine of the angle?

Back

Front

If the adjacent side is 12 and the hypotenuse is 13, what is the cosine of the angle?

Back

Front

If the opposite side is 5 and the adjacent side is 12, what is the tangent of the angle?

Back

Front

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

Back

In a right triangle, the sum of the two non-right angles is always 90 degrees.