⎡ l x ⎤ ⎢ 1 ─ ℯ ⎥ ⎢ 2 ⎥ ⎢ ⎥ ⎢ ⎛x⎞ ⎛12⋅x⎞ ⎛ x ⎞⎥ ⎢sin⎜─⎟ cos⎜────⎟ sin⎜───⎟⎥ ⎣ ⎝2⎠ ⎝ 17 ⎠ ⎝121⎠⎦ ________ ╱ ⎛x⎞ ╱ sin⎜─⎟ ╲╱ ⎝2⎠