Solve the equation sin (x° - 20°) = cos 42° for x, where 0 < x < 90

Solve the equation sin (x° - 20°) = cos 42° for x, where 0 < x < 90
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1 Answer

sine(x-20)=kosine(42 deg)

kosine(42 deg)=0.743144825

invers sine(0.743144825) giv angel=48 deg

so x-20=48deg

x=68 deg
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