( ( Find ( ( ( ( ( ( ( ( ( amplitude , ) ( wave length ) ) , ) period ) , ) ( phase shift ) ) , ) and ) ( frequency ( of ( sine waves ) ) ) ) ) . )
(ROOT (S (VP (VB Find) (NP (NP (NN amplitude)) (, ,) (NP (NN wave) (NN length)) (, ,) (NP (NN period)) (, ,) (NP (NN phase) (NN shift)) (, ,) (CC and) (NP (NP (NN frequency)) (PP (IN of) (NP (JJ sine) (NNS waves)))))) (. .)))
Find amplitude, wave length, period, phase shift, and frequency of sine waves.
(ROOT (S (NP (NP (DT The) (NN frequency)) (PP (IN of) (NP (DT a) (NN wave)))) (VP (VBZ is) (NP (NP (DT the) (NN reciprocal)) (PP (IN of) (NP (NP (DT the) (NN period)) (PP (IN of) (NP (DT the) (NN wave))))))) (. .)))