Chapter 5 Review (H)

Front

Solve for x: 2x + 5 = 60

Back

x = 27.5

Front

Convert 45° 30' 15" to a decimal to the nearest thousandths of a degree

Back

45.504°

Front

tan[sin^-1(4/5)]

Back

(4√9)/25

Front

Find x in the equation: x^2 = 25

Back

x = 5 or x = -5

Front

If θ is an angle in Quadrant I, which trig ratios will be positive?

Back

sin θ, cos θ, tan θ

Front

What is the definition of sine in a right triangle?

Back

Sine is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

What is the Pythagorean theorem?

Back

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

Front

Convert 90° to radians.

Back

π/2 radians

Front

What is the cosine of 0°?

Back

1

Front

What is the definition of cosine in a right triangle?

Back

Cosine is the ratio of the length of the adjacent side to the length of the hypotenuse.