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Hasil dari sin 127 2 1 ​ o sin 97 2 1 ​ o =

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  1. open parentheses square root of 3 plus square root of 2 close parentheses

  2. 1 fourth open parentheses square root of 3 plus square root of 2 close parentheses

  3. 1 half open parentheses square root of 3 minus square root of 2 close parentheses

  4. 1 half open parentheses square root of 3 plus square root of 2 close parentheses

  5. 1 fourth open parentheses square root of 3 minus square root of 2 close parentheses

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H. Eka

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Indonesia

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begin mathsize 14px style sin space 127 begin inline style 1 half end style to the power of o sin space 97 begin inline style 1 half end style to the power of o equals 1 half open parentheses 2 space sin space 127 begin inline style 1 half end style to the power of o sin space 97 begin inline style 1 half end style to the power of o close parentheses space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 1 half open curly brackets cos open parentheses 127 begin inline style 1 half end style to the power of o minus 97 begin inline style 1 half end style to the power of o close parentheses minus cos open parentheses 127 begin inline style 1 half end style to the power of o plus 97 begin inline style 1 half end style to the power of o close parentheses close curly brackets space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 1 half open parentheses cos space 30 to the power of o minus cos space 225 to the power of o close parentheses space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 1 half open parentheses 1 half square root of 3 plus 1 half square root of 2 close parentheses space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 1 fourth open parentheses square root of 3 plus square root of 2 close parentheses end style

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