Question: Question 3 In the answer box below, type an exact answer only (i.e. no decimals). You do not need to fully simplify/reduce fractions and radical

Question 3

$only (i.e. no decimals). You do not need to fully simplify/reduce fractions$

In the answer box below, type an exact answer only (i.e. no decimals). You do not need to fully simplify/reduce fractions and radical expressions. 16 35 If tana = - 63 and cos B = - 37 with a in quadrant II and B in quadrant II, then find cos(a + B). cos(a + B) =

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