Mathematics, 27.01.2020 22:31 yami4458

4.) simplify the expression.
tan ( u - π / 4 )
a.) cot u
b.) tan u -1 / tan u + 1
c.) ( tan u -1 ) × ( tan u + 1 )
d.) tan u
e.) sin u

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4.) simplify the expression.
tan ( u - π / 4 )
a.) cot u
b.) tan u -1 / tan u + 1<...