Valores de senx para senx + cos2x = 1?

uhulllluhullll
in Science & Mathematics

Que valores senx pode assumir para senx + cos2x = 1

Comments

  • jarbasjarbas

    senx + cos2x = 1

    cos2x = cos²x-sen²x= 1-sen°x -sen²x = 1-2sen²x

    senx +1-2sen²x = 1

    senx -2sen²x =0

    senx(1-2senx)=0

    senx=0 ou senx = 1/2 <===============================

  • yume-franklinyume-franklin

    complementando a resposta anterior, sen de 30 graus ;*

  • anonymousanonymous

    senx + cos2x = 1

Sign In or Register to comment.

© Vanilla Keystone Theme 2024