A store sold 2 CDs for every 4 DVDs. If 564 DVDs were sold, how many CDs were sold?
2 answers:
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Answer:
Step-by-step explanation:
Alright, lets get started.
The given expression is given as :
We know quotient identity as :
Similarly, we know reciprocal identity as :
lets plug the value of cot and sec in given expression
cos will be cancelled, remaining will be
Using reciprocal identity again, that will equal to :
................... Answer (A)