Trig Ratios

Front

What is the mnemonic used to remember trigonometric ratios?

Back

Soh Cah Toa

Front

What is the sine ratio for angle 33 degrees if x is the opposite side and 14 is the hypotenuse?

Back

sin(33) = x/14

Front

What is the sine ratio for angle Z if the opposite side is 5 and the hypotenuse is 13?

Back

sinZ = 5/13

Front

What is the cosine of angle A rounded to the nearest ten-thousandth?

Back

.4706

Front

What is the cosine ratio for angle 37 degrees if x is the adjacent side and 14 is the hypotenuse?

Back

cos(37) = x/14

Front

What does 'Soh' in Soh Cah Toa represent?

Back

Soh stands for Sine = Opposite/Hypotenuse.

Front

What does 'Cah' in Soh Cah Toa represent?

Back

Cah stands for Cosine = Adjacent/Hypotenuse.

Front

What does 'Toa' in Soh Cah Toa represent?

Back

Toa stands for Tangent = Opposite/Adjacent.

Front

If sin(30) = 1/2, what is the opposite side if the hypotenuse is 10?

Back

The opposite side is 5.

Front

If cos(45) = x/10, what is the value of x?

Back

x = 10 * cos(45) = 10 * (√2/2) = 5√2.