Knowledge is a subset of belief in philosophy. It is usually referred to as "true justified belief" (although this does have some problems). Belief is certainly connected to knowledge. To have knowledge, you must have belief; you simply can't have knowledge any other way.
It's like saying that you can know it is raining outside but not believe it. Your having knowledge of it implies you have belief in it.
It's like saying that you can know it is raining outside but not believe it. Your having knowledge of it implies you have belief in it.