Question: Pre-Cal homework need step by step pls 1 . If secA = -; where A is in QII and tanB = ; where B is

Pre-Cal homework

need step by step pls

Pre-Cal homeworkneed step by step pls 1 . If secA = -;

1 . If secA = -; where A is in QII and tanB = ; where B is in QIII, find the following trigonometric value. COS(A - B)

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