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

what is the quotient of 43.8 and 12
David charges $15 plus $5.50 per hour to mow lawns. Ari charges $12 plus $6.25 per hour to mow lawns. In what situations is Ari's charge greater than or equal t
you have 4 gallons of gas in your car. Your car gets 23 miles per gallon. How many miles can you drive?
In which taxonomic phylum is ginkgo classified? a. Gnetophyta b. Cycadophyta c. Anthocerophyta d. Ginkgophyta
How much would a 185 pound astronaut weigh on the moon
Identify the sentence that has correct subjectdash–verb agreement. a. In the​ evening, Brad and I often is out to dinner. b. In the​ evening, Brad and I often g
A parallelogram has an area of 288 square centimeters and a height of 12 centimeters. What is the length of the base of the parallelogram? _________A parallelog
what is a antonym for organelle
0.346 rounded to the nearest hundredth
OF what kind of organic compound are oils, waxes, and fats an example?