Complete the identity. = ?

A. cos 2x
B. sin 2x
C. tan 2x
D. cot 2x


Answer: B

Mathematics

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Express the set in roster form.The set of the days of the week

A. {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday} B. {Saturday, Sunday} C. {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Sunday} D. {Tuesday, Thursday}

Mathematics

Solve the problem.(n - 1)! =

A.
B. n! - 1!
C. n × (n - 1)!
D.
E. none of these

Mathematics

Solve the inequality. Express your answer using interval notation.|x| < -6

A. (-6, 6) B. {-6} C. (-?, ?) D. no solution

Mathematics

Simplify.

A.
B. -y
C.
D.

Mathematics