Roboguru

Jika , maka tan A = ...

Jika sin space open parentheses A minus straight pi over 4 close parentheses minus cos open parentheses A minus straight pi over 4 close parentheses equals 0 , maka tan A = ...

  1. negative 3 over 2

  2. negative 2 over 3

  3. 1 half

  4. 3 over 2

  5. 2

Jawaban:

sin space open parentheses A minus straight pi over 4 close parentheses minus 5 space cos open parentheses A minus straight pi over 4 close parentheses equals 0  sin space open parentheses A minus straight pi over 4 close parentheses equals 5 space cos open parentheses A minus straight pi over 4 close parentheses  fraction numerator sin space open parentheses A minus straight pi over 4 close parentheses over denominator cos open parentheses A minus straight pi over 4 close parentheses end fraction equals 5  fraction numerator sin space A over denominator cos space A end fraction equals tan space A  fraction numerator sin space open parentheses A minus straight pi over 4 close parentheses over denominator cos open parentheses A minus straight pi over 4 close parentheses end fraction equals 5  tan open parentheses A minus straight pi over 4 close parentheses equals 5  tan space left parenthesis A minus B right parenthesis space equals fraction numerator tan space A minus tan space B over denominator 1 plus tan space A space tan space B end fraction  fraction numerator tan space A minus tan begin display style straight pi over 4 end style over denominator 1 plus tan space A space tan space begin display style straight pi over 4 end style end fraction equals 5  tan space A minus tan space straight pi over 4 equals 5 open parentheses 1 plus tan space A space tan space straight pi over 4 close parentheses  tan space A minus 1 equals 5 left parenthesis 1 plus tan A right parenthesis  tan space A minus 1 equals 5 plus 5 space tan space A  5 space tan space A minus tan space A equals negative 5 minus 1  4 space tan space A equals negative 6  tan space A equals negative 6 over 4 equals negative 3 over 2

0

Ruangguru

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved