kellypoucher kellypoucher

02-08-2017
Mathematics

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

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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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