Ask Question
30 September, 02:41

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

+4
Answers (1)
  1. 30 September, 03:04
    0
    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
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Solve for first two positive solutions sin (3x) cos (4x) + cos (3x) sin (4x) = - 0.9 ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers