Trigonometric Ratios Review-P3

Front

What equation can be used to solve for x if Sin(40°)= x/19?

Back

x = 19 * Sin(40°)

Front

What is the ratio for SIN X?

Back

Opposite side / Hypotenuse

Front

What is the ratio for COS X?

Back

Adjacent side / Hypotenuse

Front

Solve for x: If Tan(30°) = x/10, what is x?

Back

x = 10 * Tan(30°) = 5.77 (rounded to 5.8)

Front

Which equation gives the correct value for RQ if sin 60=90/RQ?

Back

RQ = 90 / sin(60°) = 103.9 (rounded to 103.5)

Front

What is the definition of a trigonometric ratio?

Back

A trigonometric ratio is a ratio of the lengths of two sides of a right triangle.

Front

What is the formula for finding the sine of an angle?

Back

Sine = Opposite / Hypotenuse

Front

What is the formula for finding the cosine of an angle?

Back

Cosine = Adjacent / Hypotenuse

Front

What is the formula for finding the tangent of an angle?

Back

Tangent = Opposite / Adjacent

Front

If the opposite side is 5 and the hypotenuse is 13, what is sin A?

Back

sin A = 5 / 13 = 0.3846 (rounded to 0.4)