Mathematics, 01.08.2019 10:00 kellz37
Sin(a+b)/sin(a-b)=tana+tanb/tana-ta nb a= alpha b = beta i can get to this from the left side, sinacosb+cosasinb/sinacosb-cosasinb , not sure how to prove it from there.
Answers: 2
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Atotal of 505 tickets were sold for a school play they were either adult tickets or student tickets they were 55 more student tickets so than adult tickets how many adult tickets were sold ?
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If the radius of a circle is 6 inches how long is the arc subtended by an angle measuring 70 degree
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Sin(a+b)/sin(a-b)=tana+tanb/tana-ta nb a= alpha b = beta i can get to this from the left side, sinac...
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