Question: Directions: In 1 & 3, use the given information to find cos(a + B) and cos(-B). 5 1) cos=with a in quadrant IV and

Directions: In 1 & 3, use the given information to find cos(a

Directions: In 1 & 3, use the given information to find cos(a + B) and cos(-B). 5 1) cos=with a in quadrant IV and sin- 13 8 with in quadrant III

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