trig 2 (practice)

Front

What is the sine ratio in a right triangle?

Back

The sine ratio (sin) is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the cosine ratio in a right triangle?

Back

The cosine ratio (cos) is the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

What is the tangent ratio in a right triangle?

Back

The tangent ratio (tan) is the ratio of the length of the opposite side to the length of the adjacent side.

Front

What does SOH CAH TOA stand for?

Back

SOH CAH TOA is a mnemonic to remember the definitions of sine, cosine, and tangent: SOH = Sine = Opposite/Hypotenuse, CAH = Cosine = Adjacent/Hypotenuse, TOA = Tangent = Opposite/Adjacent.

Front

How do you find the height of an object using trigonometry?

Back

You can find the height using the formula: height = distance * tan(angle) for angles of elevation.

Front

What is the formula to find the length of a side in a right triangle using the Pythagorean theorem?

Back

The Pythagorean theorem states that a² + b² = c², where c is the hypotenuse and a and b are the other two sides.

Front

How do you use inverse trigonometric functions?

Back

Inverse trigonometric functions (sin⁻¹, cos⁻¹, tan⁻¹) are used to find angles when the lengths of sides are known.

Front

What is the angle of elevation?

Back

The angle of elevation is the angle formed by the horizontal line and the line of sight to an object above the horizontal.

Front

What is the angle of depression?

Back

The angle of depression is the angle formed by the horizontal line and the line of sight to an object below the horizontal.

Front

How do you calculate the distance between two points using trigonometry?

Back

You can calculate the distance using the formula: distance = √(x² + y²) for a right triangle formed by the points.