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17-11-2022
Mathematics

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Use the information given below to find cos (a+ß).
tana =
cos B =
3
3
5
with a in quadrant III
with B in quadrant IV
Give the exact answer, not a decimal approximation.
cos (a + B) =

Use the information given below to find cos aß tana cos B 3 3 5 with a in quadrant III with B in quadrant IV Give the exact answer not a decimal approximation c class=

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