Asked by TeeKay

Suppose cosA = 12/13 with 0º≤A≤90º. Suppose also that sinB = 8/17 with 90º≤B≤180º. Find cos(A - B).

11 years ago

Answered by Henry

See previous post: Tue, 10-14-14, 2:39 PM.

11 years ago

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