A bag contains 10 marbles numbered from 1 to 10. Two marbles are selected from the bag at the same time. Let event E = the two n
2 answers:
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Answer:
E
Step-by-step explanation:
The expression given is: sec β - cos β ( i will write "beta" instead of the symbol β)
<em>We know that </em>
<em>Substituting this into the the expression and doing some algebra manipulation, we have:</em>
<em>Using the identity (also
), we can now write:</em>
<em>We know , substituting this, we have:</em>
Answer choice E is the right answer.