gaelicvagabond gaelicvagabond
  • 01-10-2017
  • Mathematics
contestada

solve for first two positive solutions sin(3x)cos (4x)+cos(3x)sin(4x)=-0.9

Respuesta :

jbmow
jbmow jbmow
  • 02-10-2017
sin(3x)cos (4x)+cos(3x)sin(4x)=-0.9
Then sin(3x+4x) = 0.9
sin(7x) = 0,9
Arcsin(,9) = 64.158 degrees or 115.842
x = 9.165 and 16.549
Answer Link

Otras preguntas

Simplify this eaquation
blank divided by blank equals 6 what is the two blanks
Marcus drew a quadrilateral with only 1 pair of parallel sides. Which quadrilateral did Marcus draw? A. rhombus B. parallelogram C. rectangle D. t
Need help 59 points if you answer this 6th gade questions
A space vehicle with a mass of 104,328 kg is at an altitude of 45.0 km when its boosters separate. What is the potential energy? Express your answer in scientif
Please help me on all 7 if you can only solve some don't hesitate & say those
In which season did major league baseball add its last two expansion teams?
david was training for a 5k running race. Each day of the week he run 65 minutes. how many minutes does he run in 4 weeks
is 1/5 and 10/20 eqivalent
The Kentucky Resolutions of 1798 and Virginia Resolutions of 1799 were significant in that they challenged the authority of the federal government and argued in