Carlos M.

asked • 04/05/22

Is the answer cosα+sinαtanβ

Which of the following is equivalent to cos(α+β)/cosβ for all values of α and β for which cos(α+β)/cosβ is defined?



cosαcotβ+sinα

cosαcotβ−sinα

tanαcosβ−sinβ

cosα−sinαtanβ

cosα+sinαtanβ



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