Trigonometry ratios #1

Front

What is the sine ratio in a right triangle?

Back

The sine ratio is defined as the ratio of the length of the opposite side to the length of the hypotenuse. It is expressed as: sin(A) = opposite/hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the cosine ratio in a right triangle?

Back

The cosine ratio is defined as the ratio of the length of the adjacent side to the length of the hypotenuse. It is expressed as: cos(A) = adjacent/hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the tangent ratio in a right triangle?

Back

The tangent ratio is defined as the ratio of the length of the opposite side to the length of the adjacent side. It is expressed as: tan(A) = opposite/adjacent.

Tags

CCSS.HSG.SRT.C.6

Front

What is the value of sin(45°)?

Back

sin(45°) = @@rac{ oot{2}}{2}@@.

Tags

CCSS.HSG.SRT.C.7

Front

What is the value of cos(45°)?

Back

cos(45°) = @@rac{ oot{2}}{2}@@.

Tags

CCSS.HSG.SRT.C.7

Front

What is the value of tan(45°)?

Back

tan(45°) = 1.

Tags

CCSS.HSF.TF.A.2

Front

Back

Tags

CCSS.HSF.TF.C.8

Front

Back

Tags

CCSS.HSF.TF.C.8

Front

What is the relationship between the sine and cosine of complementary angles?

Back

sin(A) = cos(90° - A) and cos(A) = sin(90° - A).

Tags

CCSS.HSG.SRT.C.7

Front

What is the formula for finding the hypotenuse in a right triangle?

Back

The hypotenuse can be found using the Pythagorean theorem: c = @@ oot{a^2 + b^2}@@.

Tags

CCSS.8.G.B.8