Hi, We know:
Sin(a + b) = 2.Sin(a).Sin(b)
Then,
= 2Sin(a).Cos(b)/Cos(a).Cos(b)
Canceling Cos(b)
= 2Sin(a)/Cos(a)
As Tan(a) = Sin(a)/Cos(a)
Then we will stay:
= 2Tan(a)
Or
= Tan(a) + Tan(a)
There is anything wrong on the alternatives
Answer:
w = 0, 4
Step-by-step explanation:
The GCF is 2w
2w (w-4) = 0
w = 0 or 4
Answer:
The answer is 1
Step-by-step explanation:
Any number to the power of 0 is 1
Answer:
y=1/2x+1 or y=0.5x+1
this part I'm writing isn't important