Converting between degrees and radians  Trigonometric Ratios and Angle Measures
Converting between degrees and radians
Basic concepts:
 Solving expressions using 454590 special right triangles
 Solving expressions using 306090 special right triangles
Related concepts:
 Polar form of complex numbers
 Operations on complex numbers in polar form
Lessons

a)
24 roses = ___________ dozens of roses

b)
3 dozens of roses = ___________ roses

c)
65 kg = __________ lbs

d)
100 lbs = __________ kg


a)
85°

b)
213°

c)
30°

d)
60°

e)
45°

f)
0°

g)
90°

h)
180°

i)
270°

j)
360°


a)
$\pi \over 6$

b)
${ {5\pi} \over 3}$

c)
$2$

d)
$8.14$
