Right Triangle Trig Ratios and Finding Missing Sides

Front

What is the mnemonic to remember trigonometric ratios?

Back

Soh Cah Toa

Front

What does 'Soh' stand for in trigonometry?

Back

Sine = Opposite / Hypotenuse

Front

What does 'Cah' stand for in trigonometry?

Back

Cosine = Adjacent / Hypotenuse

Front

What does 'Toa' stand for in trigonometry?

Back

Tangent = Opposite / Adjacent

Front

How do you find the length of a side in a right triangle using trigonometric ratios?

Back

Use the appropriate ratio (Sine, Cosine, or Tangent) based on the known sides.

Front

If the opposite side is 9 and the hypotenuse is 10, what is sin(θ)?

Back

sin(θ) = 9/10 = 0.9

Front

If the adjacent side is 8 and the hypotenuse is 10, what is cos(θ)?

Back

cos(θ) = 8/10 = 0.8

Front

If the opposite side is 5 and the adjacent side is 12, what is tan(θ)?

Back

tan(θ) = 5/12

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

If one angle in a right triangle is 30 degrees, what are the ratios of the sides?

Back

Opposite = 1, Adjacent = √3, Hypotenuse = 2.