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Mathematics
Mathematics
Problem
Explain why
tan
(
90
∘
−
θ
)
\tan(90^\circ - \theta)
tan
(
9
0
∘
−
θ
)
equals
cot
θ
\cot \theta
cot
θ
for an acute angle
θ
\theta
θ
. Give your reason in one or two sentences.
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