gaelicvagabond gaelicvagabond

01-10-2017
Mathematics

contestada

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

Respuesta :

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

I have been a nurse for twenty years. In that time, I have seen a great number of patients suffer because they did not have health insurance. One of the worst

Please help!!! Can you please give me an environmental risk or benefit for artificial selection?

What are the coordinates of the point that is of the way from A(-8, -9) to B(24, -1)? O A. (-6,4) B. (12,-4) C. (4,-6) O D. (-2, 4)

Who wrote How the Other Half Lives, a book that described the terrible conditions of tenement life in the late 1800s?

Which is an important source of carbon monoxide emissions that contributes to the greenhouse effect? landfills wetlands vehicles greenhouses

3 cm 3 cm What is the perimeter of the square? A. 3 cm B. 6 cm C. 9 cm D. 12 cm

Which number is equivalent to the expression below? 2:42 +3(6+2) O F. 25 O G. 41 O H. 73 O.I 105

What technique is used by scientists to determine which of several explanations is the best explanation

If you have an ordered list of all the states in North America, and you want to add a title "States of North America", what tag will you use? A. B. C. D.

Prove that root 2 as irrational number