What is the simplified equation of y=sin(90-x)-sin(x-90)?????please explain why.
1 answer:
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Answer:
Option C
Step-by-step explanation:
Assuming P represents the number of outcomes, n the number of competitors and r the number of places to be awarded....
There are 336 different possible ways for the winners to be chosen.
<u><em>Hope that helps!</em></u>