Sin(x+y)-sin(x-y)/cos(x+y)+cos(x-y) =tany
how do i verify this?...
Mathematics, 19.03.2021 19:10 Byanka032801
Sin(x+y)-sin(x-y)/cos(x+y)+cos(x-y) =tany
how do i verify this?
Answers: 3
Mathematics, 21.06.2019 18:30, juliaduenkelsbu
Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?
Answers: 2
Mathematics, 21.06.2019 19:00, datands
Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)
Answers: 2
Mathematics, 21.06.2019 19:00, emilyblaxton
Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?
Answers: 1
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