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15-05-2022
Mathematics

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Determine the general solution for sin(x-30°) = cos 2 x

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Аноним Аноним

15-05-2022

sin(x-30)=sin(90-2x)

x-30=90-2x + 360k , where k= 0,1,2,3.......

3x= 120+360k

x= 40+120k

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