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Pernyaaan berikut yang bernilai benar adalah ...

Pertanyaan

Pernyaaan berikut yang bernilai benar adalah ...space 

  1. table attributes columnalign right center left columnspacing 0px end attributes row blank blank sin end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank sin end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 6 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank y end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 2 space sin left parenthesis x plus 3 y right parenthesis space cos left parenthesis x plus 3 y right parenthesis end cell end table

  2. table attributes columnalign right center left columnspacing 0px end attributes row blank blank sin end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank sin end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 6 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank y end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 2 space sin left parenthesis x plus 3 y right parenthesis space cos left parenthesis x minus 3 y right parenthesis end cell end table

  3. table attributes columnalign right center left columnspacing 0px end attributes row blank blank sin end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank sin end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 6 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank y end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 2 space sin left parenthesis x plus 3 y right parenthesis space cos left parenthesis x plus 3 y right parenthesis end cell end table

  4. table attributes columnalign right center left columnspacing 0px end attributes row blank blank cos end table space table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cos end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 6 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank y end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 2 space sin left parenthesis x plus 3 y right parenthesis space cos left parenthesis x minus 3 y right parenthesis end cell end table

  5. cos table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank x end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank minus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cos end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 6 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank y end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 2 space cos left parenthesis x plus 3 y right parenthesis space cos left parenthesis x minus 3 y right parenthesis end cell end table

I. Sutiawan

Master Teacher

Mahasiswa/Alumni Universitas Pasundan

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah B 

Pembahasan

Rumus penjumlahan dan pengurangan fungsi sin dan cos.

table attributes columnalign right center left columnspacing 0px end attributes row cell sin space alpha plus sin space beta end cell equals cell 2 space sin 1 half left parenthesis alpha plus beta right parenthesis space cos 1 half left parenthesis alpha minus beta right parenthesis end cell row cell sin space alpha minus sin space beta end cell equals cell 2 space cos 1 half left parenthesis alpha plus beta right parenthesis space sin 1 half left parenthesis alpha minus beta right parenthesis end cell row cell cos space alpha plus cos space beta end cell equals cell 2 space cos 1 half left parenthesis alpha plus beta right parenthesis space cos 1 half left parenthesis alpha minus beta right parenthesis end cell row cell cos space alpha minus cos space beta end cell equals cell negative 2 space sin 1 half left parenthesis alpha plus beta right parenthesis space sin 1 half left parenthesis alpha minus beta right parenthesis end cell end table 

Pada opsi, pernyataan yang benar adalah b, karena:

table attributes columnalign right center left columnspacing 0px end attributes row cell sin space 2 x plus sin space 6 y end cell equals cell 2 space sin 1 half left parenthesis 2 x plus 6 y right parenthesis space cos 1 half left parenthesis 2 x minus 6 y right parenthesis end cell row blank equals cell 2 space sin left parenthesis x plus 3 y right parenthesis space cos left parenthesis x minus 3 y right parenthesis end cell end table

Jadi, jawaban yang tepat adalah B 

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