Prove the identity sin(2x)/sinx-cos(2x)/cosx= secx
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Mathematics, 21.06.2019 17:30
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
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Mathematics, 21.06.2019 23:30
Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.
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