Answer:
Formula for Central Angle: θ = Arc Length×180°π×r
Central Angle Formula: s=r×θ
Double Angle Formula: (Has three) cos2θ= cos2θ−sin2θ sin2θ=2sinθcosθ tan2θ=2tanθ/1−2 tan2θ
Step-by-step explanation:
I know point a=1 But the others not sure
Answer:
1.4
Step-by-step explanation:
use distance formula
Answer:
= -30
Step-by-step explanation:
−2+(7)(−4)
=−2+−28
=−30