Solve the equation in the interval [0, 2?). tan x cos x - cos x = 0


(e) none of these

Mathematics

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Provide an appropriate response.A student claims that  always exists, as long as a and b are both positive. Refute this by giving an example of a function for which this is not true.

What will be an ideal response?

Mathematics

Simplify the following. Leave answer as a power.9 ? 2382 + 2 ? 2382

A. 11 ? 2382 B. 23 ? 1182 C. 12 ? 2382 D. 11 ? 2383

Mathematics

Solve the system by substitution.x + y = -9x - y = 18

A. {(4.5, -13.5)} B. {(9, -13.5)} C. {(4.5, 13.5)} D. {(9, 4.5)}

Mathematics

For the given functions f(x) and g(x), find f(x) ? g(x).f(x) = x3 - 4x2 + 2x + 7, g(x) = -5x3

A. -5x6 + 20x5 - 10x4 - 35x3 B. -5x6 - 20x5 + 10x4 + 35x3 C. -5x9 + 20x6 - 10x4 - 35x3 D. -5x9 - 20x6 + 10x4 + 35x3

Mathematics