सहकारित्वेन च ॥ ३३ ॥
sahakāritvena ca || 33 ||
sahakāritvena—As a means to Knowledge; ca—and.
33. And (the duties are to be performed also) as a means to Knowledge.
Here we have to understand that the duties are helpful in producing Knowledge, but not its fruit, viz. Liberation, which is not attainable except through Knowledge.