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Carilah nilai perbandingan trigonometri sudut α untuk perbandingan yang lain. d. sec α = 2

Carilah nilai perbandingan trigonometri sudut  untuk perbandingan yang lain.

d.  

  1. undefined 

  2. undefined 

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begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell sec space straight alpha end cell equals cell 2 space left parenthesis miring equals 2 comma space samping equals 1 right parenthesis end cell row cell depan squared end cell equals cell miring squared minus samping squared end cell row cell depan squared end cell equals cell 2 squared minus 1 squared end cell row cell depan squared end cell equals cell 4 minus 1 end cell row cell depan squared end cell equals 3 row depan equals cell square root of 3 end cell end table end style

begin mathsize 14px style sin space alpha equals depan over miring equals fraction numerator square root of 3 over denominator 2 end fraction equals 1 half square root of 3 end style

begin mathsize 14px style cos space straight alpha equals samping over miring equals 1 half end style

begin mathsize 14px style tan space alpha equals depan over samping equals fraction numerator square root of 3 over denominator 1 end fraction equals square root of 3 end style

begin mathsize 14px style cosec space straight alpha equals miring over depan equals fraction numerator 2 over denominator square root of 3 end fraction equals fraction numerator 2 over denominator square root of 3 end fraction cross times fraction numerator square root of 3 over denominator square root of 3 end fraction equals 2 over 3 square root of 3 end style

begin mathsize 14px style cotan space straight alpha equals samping over depan equals fraction numerator 1 over denominator square root of 3 end fraction equals fraction numerator 1 over denominator square root of 3 end fraction cross times fraction numerator square root of 3 over denominator square root of 3 end fraction equals 1 third square root of 3 end style 

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