Nilai sin 1.035 adalah
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[tex] \rm{sin} \: 1035 \degree = [/tex]
[tex] \rm{sin} \: (2×360 \degree + 315 \degree) = [/tex]
[tex] \rm{sin} \: 315 \degree = \rm{sin} \: 1035 \degree[/tex]
[tex] \rm{sin} \: 315 \degree = \rm{sin}(360 \degree - 45 \degree)[/tex]
[tex] \rm{sin} \: 315 \degree = - \rm{sin} \: 45 \degree[/tex]
[tex] \rm{sin} \: 315 \degree = - \frac{1}{2} \sqrt{2} [/tex]
Jadi, nilai sin 1035° adalah -½√2
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