Use a right triangle to simplify.tan (arccos x)

A.
B.
C.
D.

Answer: B

Mathematics

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Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = - f(x)  

A.

B.

C.

D.

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Mathematics

Find the infinite sum accurate to 3 decimal places.

A. 0.859 B. -0.859 C. -0.320 D. 0.460

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Mathematics

Reduce:

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Mathematics

Give all possible rational zeros for the polynomial.f(x) = x3 - 9x2 + 8x - 24

A. ±1, ±2, ±3, ±4, ±24
B. ±1, ±2, ±3, ±4, ±6, ±12, ±24
C. ±1, ± , ±2, ±3, ±4, ±6, ±8, ±12, ±24
D. ±1, ±2, ±3, ±4, ±6, ±8, ±12, ±24

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Mathematics