How did french philosopher rené descartes contribute to the scientific revolution?

He developed mathematical principles.

Explanation:

During the peak of his career, he developed the  foundation of principles that we used in  modern day geometry. His findings also contributed in the development of Geometrical analysis and calculus.

Along with these mathematical principles, he is also known as the founder of the Rationalist school of thought which advocated for logical reasoning to solve problems rather then relying on something mythical.

answer; (true);

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