Y=3+2cos xy=sin4x+1/x-3arcsin1/2-arccos3/2tgx/2=1cosx/2=0√2sin x-1=0

Question

Y=3+2cos x
y=sin4x+1/x-3
arcsin1/2-arccos3/2
tgx/2=1
cosx/2=0
√2sin x-1=0

Answer 1

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