I think you have to do 3cm/1cm
I think the small coin makes 3 revolution
The missing justification in the proof is
<span>B) Substitution property of equality
The expression for sin</span>² x and cos² x is substituted to the other side of the equation. Since sin x = a/c, then sin² x = a²/c². Similarly, since cos x = b/c, then cos² x = b²/c². Adding to two results to the third statement.
Answer:
Yes, the last 2 are indeed correct :)
Step-by-step explanation:
Good job.
Answer:
9?
Step-by-step explanation:
