8.2 (day 1) Trigonometric Ratios

Front

What is the definition of Tangent in trigonometry?

Back

Tangent (tan) is the ratio of the length of the opposite side to the length of the adjacent side in a right triangle.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for finding Cosine?

Back

Cosine (cos) is defined as the ratio of the length of the adjacent side to the length of the hypotenuse in a right triangle.

Tags

CCSS.HSG.SRT.C.6

Front

What is the formula for finding Sine?

Back

Sine (sin) is defined as the ratio of the length of the opposite side to the length of the hypotenuse in a right triangle.

Tags

CCSS.HSG.SRT.C.6

Front

Calculate the Cosine of angle A if the adjacent side is 12 and the hypotenuse is 13.

Back

Cos A = 12/13.

Tags

CCSS.HSG.SRT.C.6

Front

Calculate the Sine of angle Z if the opposite side is 15 and the hypotenuse is 17.

Back

Sin Z = 15/17.

Tags

CCSS.HSG.SRT.C.6

Front

What is the relationship between the three primary trigonometric ratios?

Back

The three primary trigonometric ratios are sine, cosine, and tangent, which can be expressed as: tan = sin/cos.

Tags

CCSS.HSG.SRT.C.7

Front

If the opposite side is 8 and the adjacent side is 6, what is the Tangent of the angle?

Back

Tan = 8/6 = 4/3 after reducing.

Tags

CCSS.HSG.SRT.C.6

Front

What is the Pythagorean theorem and how does it relate to trigonometric ratios?

Back

The Pythagorean theorem states that in a right triangle, a² + b² = c², where c is the hypotenuse. This theorem is used to find the lengths of sides in trigonometric problems.

Tags

CCSS.8.G.B.8

Front

What is the value of Cos 0 degrees?

Back

Cos 0 degrees = 1.

Tags

CCSS.HSF.TF.A.2

Front

What is the value of Sin 90 degrees?

Back

Sin 90 degrees = 1.

Tags

CCSS.HSG.SRT.C.7