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

A storage closet is 5 feet high. If one box is 4 inches high, how many boxes can be stacked in the closet?
The label on a ready-to-eat cereal box indicates that 1 cup contains 32 grams of carbohydrate, 4 grams of protein, and 2 grams of fat. how many kcal are there i
What role, if any, does sunlight play in circadian rhythms?
if Mary deposits $275 in principal at an interest rate of 3.2% how much interest will she earn in one year
If the average of 12 numbers is 14 and the average of 4 of those numbers is 18, what is the average of the other eight numbers?
If a coin is flipped and then a twenty part spinner is spun how many possible outcomes are in the sample space for the compound event
Dan plotted A(-2, -1), B(3,9), C(-5,1), and D(1,-4) on a coordinate plane. Which point lies in Quandrant 3?
How many grams of nacl are in 250 g of a 15.0% (by weight) solution?
Find x please!! EMERGENCY
What experimental discovery led Niels Bohr to revise Rutherford’s model of the atom ?