EQUAZIONI GONIOMETRICHE

  1. sin ( π 12 + x ) + ( 3 2 ) cos ( π 12 + x ) 1 = 0 . (R)

  2. 2 6 ( sin x + cos x ) = 3 [ 1 + 2 sin ( 2 x ] ) . (R)

  3. sin x + cos x + tan x + cot x = 2 + 2 (R)

  4. cos x + 3 sin x = 3 (R)
  5. 2 sin 2 ( x ) + 1 = 4 sin ( x ) cos ( x ) (R)
  6. sin ( x ) + cos ( x ) + sin ( 2 x ) + 1 = 0 (R)
  7. 2 cos ( x ) + 2 sin ( x ) = 3 + 1 (R)
  8. sin 2 ( x ) 2 sin ( x ) cos ( x ) ( 2 3 + 3 ) cos 2 ( x ) = 0 (R)
  9. cos 2 ( x ) + sin 2 ( 2 x ) = 1 (R)
  10. cos ( 2 x ) + 3 sin ( 2 x ) = 2 (R)
  11. 4 sin 2 ( x ) + sin ( x ) cos ( x ) + 3 cos 2 ( x ) = 3 (R)
  12. 3 cos ( x ) = 5 sin ( x 2 ) (R)
  13. sin ( 2 x ) + cos ( 2 x ) = 2 (R)
  14. 3 3 cos 2 ( x ) + sin ( x ) cos ( x ) = 3 3 (R)
  15. 1 + cos ( 2 x ) cos ( x ) + sin ( 2 x ) 1 cos ( 2 x ) = 0 (R)