SOLUTION: Solve the equation sin (x° - 20°) = cos 42° for x, where 0 < x < 90.
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-> SOLUTION: Solve the equation sin (x° - 20°) = cos 42° for x, where 0 < x < 90.
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Question 774687
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Solve the equation sin (x° - 20°) = cos 42° for x, where 0 < x < 90.
Answer by
josgarithmetic(39620)
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cos(42)=sin(90-42)=sin(48)
sin(x-20)=sin(48)
x-20=48
x=48+20
x=68 degrees