(x) = sin^2(x) - cos(x) on the interval 0 x . ok so can you point me in the right direction for this one, and also how to find the local and global maximums...thanks...
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Point you only to the right direction? Get the f'(x), or the 1st derivative of f(x). Set it to zero to get the critical points. There shpould be 3 of them in that interval. The highest f(x) among the 3 is the global maximum. It is at x = 2pi/3.
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