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Mathematics
Mathematics
Problem
If
cos
A
=
12
13
\cos A = \frac{12}{13}
cos
A
=
13
12
verify that:
sin
A
(
1
−
tan
A
)
=
35
156
\sin A(1 - \tan A) = \frac{35}{156}
sin
A
(
1
−
tan
A
)
=
156
35
.
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