Determine all solutions of the equation in radians.Find sin , given that cos ? =  and ? terminates in 0 < ? < 90°.

A.
B.
C.
D.


Answer: C

Mathematics

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Evaluate.sin2 45° + cos2 45°

A. 0
B.
C. 2
D. 1

Mathematics

Determine whether the number is prime, composite, or neither.12

A. prime B. composite C. neither

Mathematics

Evaluate the expression for the given replacement values.x - yfor x = -13, y = -1

A. 12 B. -14 C. 14 D. -12

Mathematics

Find the probability.Assuming that boy and girl babies are equally likely, find the probability that a family with four children has all boys given that at least one is a boy.

A.
B.
C.
D.

Mathematics