isaiahmuniz01 isaiahmuniz01
  • 03-04-2018
  • Mathematics
contestada

If sin (2x) = cos (7x), then what is the value of x

Respuesta :

calculista
calculista calculista
  • 13-04-2018
we know that

if  sin (2x) = cos (7x)
then
(2x) and (7x) are complementary angles
so
(2x)+(7x)=90----------> 9x=90-------> x=90/9--------> x=10°

the answer is
x=10°
Answer Link

Otras preguntas

Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m
The length of a diagonal of a cube with edge length 25cm
“The genetic code is universal.” Explain this statement.
5x+4y+100 in slope intercept form
which state of matter has the least amount of energy?
If 8 men can chop down 28 trees in one day, how many trees can 20 men chop down in one day?
What is the mean of 87, 93, 86, 90, and 84?
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
Which of the kingdoms has the smallest number of known species
The length of a diagonal of a cube with edge length 25cm