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Mathematics
Mathematics
Problem
If
a
sec
α
−
c
tan
α
=
d
a \sec \alpha - c \tan \alpha = d
a
sec
α
−
c
tan
α
=
d
and
b
sec
α
+
d
tan
α
=
c
b \sec \alpha + d \tan \alpha = c
b
sec
α
+
d
tan
α
=
c
, then eliminate
α
\alpha
α
from above equations.
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