Answer:
Step-by-step explanation:
sin² Θ csc² Θ =sin² Θ + cos² Θ
sin² Θ 1/sin² Θ = sin² Θ + cos² Θ
1 = sin² Θ + cos ² Θ (this is a trig identity)
57°
The angles in a triangle add to 180. Let the missing angle be x.
x=180-90-33=57
He saved $3.30 in all.
no
$56.25
3% of 750, then multiply by 2.5