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27-10-2016
Mathematics

contestada

write the following expression as a trigonometric function of a single angle.
sin17 cos26 + cos17 sin26 =

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Аноним Аноним

27-10-2016

sin(a+/-b)=sin(a)cos(b)+/-cos(a)sin(b)

sin(17+26)=sin(17)cos(26)+cos(17)sin(26)

Answer: sin(43)

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