Mathematics, 01.11.2021 22:10 120175

The function f is such that f(x) = a - b cos x for 0° A) Solve the equation f(x) = 0.

B) Sketch the graph of y=f(x).

Please I really need help. I’ve asked so many people and we can’t figure this out!!

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The function f is such that f(x) = a - b cos x for 0° A) Solve the equation f(x) = 0.

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