Use a double-angle identity to find the exact value of the expression.1 - 2 sin2  

A.
B. - 
C. - 
D. - 


Answer: C

Mathematics

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Provide an appropriate response.What is the amplitude for the function y = 3 sin 2x?

A. 2 B. 2x C. 6x D. 3

Mathematics

Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(4x + 3)2 = 7

A.
B.
C.
D.

Mathematics

Solve the problem. If   = x - 2 + , find P(x).

A. x2 + 2x + 3 B. x2 + x - 5 C. x2 - 3x + 3 D. x2 + 2x - 5

Mathematics

Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.

A.  ? 29.206
B. 205
C.  ? 2.236
D.  ? 14.318

Mathematics