Trigonometric Ratios

Front

What is the hypotenuse in a right triangle?

Back

The hypotenuse is the side opposite the right angle.

Front

What is the formula for Cosine in a right triangle?

Back

Cosine (Cos X) = Adjacent side / Hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for Tangent in a right triangle?

Back

Tangent (Tan X) = Opposite side / Adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

What is the ratio of the opposite side to the hypotenuse called?

Back

Sine (Sin X) = Opposite side / Hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

If the opposite side is 14 and the hypotenuse is 50, what is the sine ratio?

Back

Sin X = 14/50.

Tags

CCSS.HSG.SRT.C.6

Front

If the adjacent side is 24 and the opposite side is 7, what is the tangent ratio?

Back

Tan X = 7/24.

Tags

CCSS.HSG.SRT.C.6

Front

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

Back

The square of the hypotenuse is equal to the sum of the squares of the other two sides (Pythagorean theorem).

Tags

CCSS.8.G.B.8

Front

What is the value of Cos X if the adjacent side is 15 and the hypotenuse is 17?

Back

Cos X = 15/17.

Tags

CCSS.HSG.SRT.C.6

Front

What is the value of Tan X if the opposite side is 8 and the adjacent side is 15?

Back

Tan X = 8/15.

Tags

CCSS.HSG.SRT.C.6

Front

What is the sine of an angle if the opposite side is 7 and the hypotenuse is 25?

Back

Sin X = 7/25.

Tags

CCSS.HSG.SRT.C.6