TeenOlaflover TeenOlaflover

20-12-2019
Mathematics

contestada

HELP HELP HELP 100PTS
sin(x)= - 0.8. If x and y are complementary, what is cos(y)

Respuesta :

surjithayer10otahza surjithayer10otahza

26-12-2019

Answer:

Step-by-step explanation:

[tex]sin (x)=-0.8\\x+y=90\\x=90-y\\sin(90-y)=-0.8\\cos (y)=-0.8\\sin (90-\alpha )=cos\alpha[/tex]

Answer Link

Imjustheretolearn22 Imjustheretolearn22

28-10-2021

Answer:

cos x

Step-by-step explanation:

Answer Link

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