conceptia
conceptia
29-09-2014
Mathematics
contestada
if sin(x-3)=cos(2x+6) then the value of x is
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Phionex
Phionex
29-09-2014
Degrees -
x- 3 + 2x + 6 = 90 because sin(a) = cos(90-a)
3x + 3 = 90
x+1 = 30
x = 29
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