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 storage tank shaped Like a rectangular prism is being manufactured to hold 100,000 cubic feet of natural gas. It has a length of 10 feet and a width of 25 fee

I = {1, 2} List all possible subsets of the given set.

Any number that is divisible by 3 is also divisible by 9.Find a counterexample to show that the conjecture is false.18274548

A 1700 kg 2006 Mustang GT can accelerate from rest to 100 km/h in a time of 5.0 s. Determine the net amount of work that must be done on the car to cause this

what city is located 60 north 25 east

1. Why are there active volcanoes along the Pacific coast in Washington and Oregon but not along the East coast of the United States?

. What are three factors that could contribute to a source not being credible?

How many eights are there in 6 1/2

What is a Mandala Autobiography?

What Canadian city is across a body of water from New York