1. If sin 0= √2/2 Which could not be the value of 0
225∘
135∘
12∘
2. A gazebo is located in the center of a large, circular lawn with a diameter of 200 feet. Straight paths extend from the gazebo to a sidewalk around the lawn. If two of the paths form a 75° angle, how far would you have to travel around the sidewalk to get from one path to the other? Round your answer to the nearest foot if necessary.
a. 183 ft
b. 262 ft
c. 131 ft
d. 3,125 ft
3. A sine function can be used to model light waves. Green light has a wavelength, or period, of about 510 nanometers (nm). Which equations best model green light?
A y = sin π/225θ
By = sin 510/π θ
1 answer
B y = sin π/255θ