code: def sin(x):
      """Sine function which can operate on floats and `Tensor`s."""
      return math.sin(x) if isinstance(x, float) else tf.sin(x)
  
imports: import math
  import tensorflow.compat.v2
  import tf_quant_finance
  from tensorflow.python.framework import test_util
  from tf_quant_finance.math.root_search import utils
label_desc: Use image node_id 4 for calling a global function with example usage: sin(x) and returns: unknown