kellypoucher kellypoucher
  • 02-08-2017
  • Mathematics
contestada

Find all solutions to the equation. (sin x)(cos x) = 0

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ghanami
ghanami ghanami
  • 09-08-2017
hello : 
 (sin x)(cos x) = 0
sinx = 0  or cosx= 0 
all solutions in : R
1) sinx= 0  : x = kπ......  k∈ Z
2) cosx= 0 : x= π/2 + kπ ....k∈ Z
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