Trigonometric Ratios and Functions

Front

What is the definition of Sine in a right triangle?

Back

Sine is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the definition of Cosine in a right triangle?

Back

Cosine is the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the definition of Tangent in a right triangle?

Back

Tangent is the ratio of the length of the opposite side to the length of the adjacent side.

Front

What mnemonic helps remember the trigonometric ratios?

Back

Soh Cah Toa.

Front

If you have the hypotenuse and the opposite side, which trig function do you use?

Back

Sine.

Front

If you have the adjacent side and the hypotenuse, which trig function do you use?

Back

Cosine.

Front

If you have the opposite side and the adjacent side, which trig function do you use?

Back

Tangent.

Front

What is the sine of 30 degrees?

Back

0.5.

Front

What is the cosine of 60 degrees?

Back

0.5.

Front

What is the tangent of 45 degrees?

Back

1.