code: def _scalar_func_3(self, s):
      p = -jnp.sin(10 * s)
      dp = -10 * jnp.cos(10 * s)
      return p, dp
  
imports: from absl.testing import absltest
  import scipy.optimize
  import jax
  from jax import grad
  from jax import config
  import jax.numpy
  import jax._src.test_util
  from jax._src.scipy.optimize.line_search import line_search
label_desc: Use image node_id 5 for calling the TestLineSearch obj's underlying member method code with example usage: obj._scalar_func_3(s) and returns: p,  dp