Mathematics, 18.03.2020 21:45, ashtonbillups

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2sin²x, 1, 2cosx
q) for which x will this present a decreasing arithmetic sequence?

*i just need step by step, the answer is π /2 + 2kπ "

Answers: 2

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2sin²x, 1, 2cosx
q) for which x will this present a decreasing arithmetic...