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

How do you turn 0.93 as a fraction in simplest form and how do you show the work
To create an image that is not harmonious, an artist could
Which of the following is not a function of protein? A. Helping cells communicate B. Serving as enzymes C. Insulating the body D. Giving cells structure
What is the missing term, a, in the pattern below? 28, 14, a, 3.5, 1.75, … A. 0 B. 10 C. 7.5 D. 7
the product of 4 and the difference of 7 and 5
a bullet train can travel at 170 miles per hour. Will a graph representing distance in miles compared to time in hours show a proportional relationship? explain
A story using french language
What's 2+2 if you add 4 and subtract 1
What is 7/8 and 4/9 closer to 0,1,2,or 3
Your bank account balance is -$20.85. You deposit $15.50. What is your new balance?