Write the expression in terms of sines and/or cosines, and then simplify.sin2 x + sin x - 1 + cos2 x

A.
B. sin x
C.
D.


Answer: B

Mathematics

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Provide an appropriate response.Perform the indicated operations: 3 - 2 + 42 ÷ 0

A. -182 B. -291 C. 57 D. -53

Mathematics

Determine whether or not the triangles are similar.

A. Not similar B. Similar

Mathematics

Express as a product.loga t3

A. log a 3t B. log a 3 C. 3 log a t D. log a 3 ? log a t

Mathematics

First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.5 ? 9

A. 56
B. 53
C. 57
D. 45

Mathematics