Topic 3: Trig

Question 1

360 degrees = ?

Answer 1

2pi radians

Question 2

y = asinb(x-c)+d Whaat are a, b, c and d?

Answer 2

a = amplitude (distance from midpoint to max/min)
period = 2pi/b
c = horizontal shift ( shits to the right if negative)
d = vertical shift (shifts the midpoint up or down from 0

Question 3

Where does a sin function start

Answer 3

midpoint
starts by growing if positive
shifted by horizontal shift

Question 4

Where does a cos function start

Answer 4

max