Answer:
Step-by-step explanation:
Remove the brackets.
ac - bc = d
Add bc to both sides
ac = d + bc
Divide by a
The "a"s cancel and you are left with the answer.
Answer
Answer:
5m
Step-by-step explanation:
1.25m multiply by 4 sides equals 5m
Answer:
You use cotx = cosx/sinx.
Step-by-step explanation:
I guess you mean cotx sinx = cosx.
You substitute the identity cotx = cosx / sinx:
cotx sinx = (cosx / sin x) * sin x
The sin x ' s cancel to give cosx.