isaiahmuniz01 isaiahmuniz01

03-04-2018
Mathematics

contestada

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

Respuesta :

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

What’s the correct answer for this question ? If the Milky Way Galaxy is 100,000 light years across, which of the following red circles best illustrates how fa

What religion was introduced to Central America by the Spanish

HELP PLEASEWhat is the volume of the cylinder?

sometimes conflict in a relationship can be healthy to justify the statement

kiyan calculates that he spends 15% of his day in science class if he spends 45 minutes in science, how many does he spend in school

Owen answered a set of math and history Quiz Bowl questions. Owen correctly answered of all the questions. However, Owen answered of the math questi

Kelly’s dance recital is this weekend! They are setting up chairs in the auditorium, and there are six rows of 18 chairs set up. In the first four rows, two ch

Please help me asap!!

Find the value of x:

how do I solve it I’ve been struggling for a little bit for mow