“assist in formulating” is correct and can be used in written English.
It means to help in creating or developing something, especially a plan or idea. Example: I will assist in formulating a new strategy to increase sales for our company.
Policy makers now have a range of frameworks and methods to assist in formulating change for social and environmental benefits.
Results from this study should assist in formulating policies to mitigate both CO2 emissions and coal consumption.
As such, identification and selection of appropriate time scales for flow and sediment processes can assist in formulating a system of flow and sediment governing equations representative of the dynamic interaction of flow and particles at the desired details.
Effective scientific theories magnify understanding, help supply legitimate explanations, and assist in formulating predictions.
The proposed assessment method provides a means of defining the factors that affect the recovery process and can assist in formulating policies with which to solve the associated problems.
Hackers may be motivated by a multitude of reasons, such as profit, protest, information gathering, challenge, recreation, or to evaluate system weaknesses to assist in formulating defences against potential hackers (Bachmann 2010; Conteh and Royer 2016).
It also assisted in formulating a conservation and breeding strategy for a strain of Colonial Spanish horses from Santa Cruz Island in California.
CT assisted in formulating the models, performed the simulations, assisted with the analysis, and drafted the manuscript.
Dr. PWS was a member of the dissertation committee and assisted in formulating the proof of simultaneous coverage of the confidence regions and in final editing.
Mr. McDonough helped synthesize the contributions of some 300 foreign policy advisers to assist Mr. Obama in formulating and articulating his foreign policy.
