1. The lawyer made a cogent argument in favor of her client's innocence.
2. The professor presented a cogent analysis of the economic factors affecting the housing market.
3. The CEO's cogent explanation convinced the board members to approve the budget proposal.
4. The journalist's article provided a cogent account of the political unrest in the region.
5. The doctor offered a cogent diagnosis of the patient's symptoms.
6. The author's cogent writing style made the complex topic easy to understand.
7. The detective presented a cogent theory about the motive behind the crime.
8. The scientist's research findings were backed up by cogent evidence.
9. The teacher gave a cogent response to the student's question about the novel.
10. The politician's speech was filled with cogent arguments supporting her policy proposals.