Using formula sin^2 x +cos^2 x = 1 you get 1 - cos^2(9x) = sin^2(9x)
so in this way this fraction will be rewrited
sin9x/(1-cos^2(9x) = sin9x / sin^2(9x) = 1/sin9x
Answer: The set of integers is closed for addition, subtraction, and multiplication but not for division.
Answer:
"Real World" Math Drama. ...
Step #1: Stop and Think Before Doing Anything. ...
Step #2: English-to-Equation Translation. ...
Step #3: Solve for Whatever You're Interested In. ...
Step #4: Make Sure You Understand the Result. ...
Step #5: Use Your Result to Solve Other Problems. ...
Wrap Up.
Step-by-step explanation:
Answer:
x>41
Step-by-step explanation:
Add 71 to both sides, then divide by 2.
I hope this helps :)
