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Nilai x untuk 0 o < x < 9 0 o 0 o < x < 90 o yang memenuhi persamaan sin 90 o - x = cos 90 o - x adalah ....

Nilai x untuk  yang memenuhi persamaan sin open parentheses 90 to the power of o minus x close parentheses equals cos open parentheses 90 to the power of o minus x close parentheses  adalah ....

  1. 25 degree

  2. 30 degree comma space 65 degree

  3. 45 degree

  4. 45 to the power of o comma space 75 to the power of o

  5. 45 to the power of o comma space 65 to the power of o

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N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

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Pembahasan

sin open parentheses 90 to the power of o minus x close parentheses equals cos open parentheses 90 to the power of o minus x close parentheses sin open parentheses 90 to the power of o minus x close parentheses equals cos open parentheses 90 to the power of o minus x close parentheses D e n g a n space m e n g g u n a k a n space r u m u s space u n t u k space f u n g s i space cos i n u s comma space m a k a space d i p e r o l e h colon x equals 90 to the power of o minus x plus k open parentheses 360 to the power of o close parentheses 2 x equals 90 to the power of o plus k open parentheses 360 to the power of o close parentheses x equals 45 to the power of o plus k open parentheses 180 to the power of o close parentheses U n t u k space k space equals space 0 comma space m a k a space x equals 45 space a t a u x equals negative left parenthesis 90 to the power of o minus x right parenthesis plus k open parentheses 360 to the power of o close parentheses x equals negative 90 to the power of o plus x plus k open parentheses 360 to the power of o close parentheses space T i d a k space b e r l a k u. space J a d i comma space n i l a i space x space y a n g space m e m e n u h i space a d a l a h space 45 degree

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