01-05-2020
Mathematics

contestada

1. sin(x+20) = cos(2x+10)
2. sin (2x+14) = cos(x-5)

Respuesta :

surjithayer10 surjithayer10

02-05-2020

Answer:

x=20°

2.

x=27°

Step-by-step explanation:

sin(x+20)=cos (2x+10)

=sin (90-(2x+10))

so x+20=90-(2x+10)

x+20+2x+10=90

3x=90-30

3x=60

x=60/3=20

2.

2x+14+x-5=90

3x+9=90

3x=90-9=81

x=81/3=27

Answer Link

Otras preguntas

a sixth grade class of 12 boys and 24 girls consider this statement for every two boys there are 4 girls do you agree with the statement explain

which gas is strongly correlated with earth's heating and cooling patterns

In the call of the wild why did buck end up in the Yukon Territory

What does kingdom mean??

write a money problem that shows money being added to and subtracted from a bank account then solve the problem

define messenger in a play

I give private lessons in Brazil. I can exert this activity in the United States?

an arrangement of elements into rows and columns according to similarities in their properties

Solve 6/7 divided 36/56 and put answer in simplest form.

The slope of MN is -3 which segments are parallel to MN Select each correct answer A.) TU, were T is at (8,1) and U is at (5,10) B.) PQ, were P is at (5,6) and