Roboguru

Buktikan identitas trigonometri berikut.

Buktikan identitas trigonometri berikut.

begin mathsize 14px style fraction numerator left parenthesis 1 minus cotan squared space straight x right parenthesis space sin space straight x over denominator sin space straight x minus cos space straight x end fraction equals 1 plus cotan space straight x end style  

  1. begin mathsize 14px style.... end style  

  2. undefined 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator open parentheses 1 minus cotan squared space straight x close parentheses space sin space straight x over denominator sin space straight x minus cos space straight x end fraction end cell equals cell fraction numerator open parentheses 1 minus begin display style fraction numerator cos squared space straight x over denominator sin squared space straight x end fraction end style close parentheses sin space straight x over denominator sin space straight x minus cos space straight x end fraction end cell row blank equals cell fraction numerator open parentheses begin display style fraction numerator sin squared space straight x minus cos squared space straight x over denominator sin squared space straight x end fraction end style close parentheses sin space straight x over denominator sin space straight x minus cos space straight x end fraction end cell row blank equals cell fraction numerator open parentheses begin display style fraction numerator sin squared space straight x minus cos squared space straight x over denominator sin space straight x end fraction end style close parentheses over denominator sin space straight x minus cos space straight x end fraction end cell row blank equals cell fraction numerator open parentheses sin space straight x minus cos space straight x close parentheses open parentheses sin space straight x plus cos space straight x close parentheses over denominator open parentheses sin space straight x minus cos space straight x close parentheses space sin space straight x end fraction end cell row blank equals cell fraction numerator sin space straight x plus cos space straight x over denominator sin space straight x end fraction end cell row blank equals cell fraction numerator sin space straight x over denominator sin space straight x end fraction plus fraction numerator cos space straight x over denominator sin space straight x end fraction end cell row blank equals cell 1 plus cotan space straight x end cell end table end style 

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