Final Exam Review 3 - Trig

Front

What is the sine ratio (SIN X)?

Back

Opposite side / Hypotenuse

Front

What is the cosine ratio (COS X)?

Back

Adjacent side / Hypotenuse

Front

What is the tangent ratio (TAN X)?

Back

Opposite side / Adjacent side

Front

How do you find the length of a side in a right triangle using sine?

Back

Use the formula: Sin(θ) = Opposite / Hypotenuse

Front

How do you find the length of a side in a right triangle using cosine?

Back

Use the formula: Cos(θ) = Adjacent / Hypotenuse

Front

How do you find the length of a side in a right triangle using tangent?

Back

Use the formula: Tan(θ) = Opposite / Adjacent

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.

Front

If Sin(40°) = x/19, how do you solve for x?

Back

x = 19 * Sin(40°)

Front

What is the approximate value of Sin(40°)?

Back

0.6428 (use a calculator for precise value)

Front

What is the approximate value of Cos(40°)?

Back

0.7660 (use a calculator for precise value)