Show that 1-tan^2A/cot^2A-1=tan^2A
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Step-by-step explanation:
ANSWER
Simplifying the LHS of
cot
2
A−1
1−tan
2
A
=tan
2
A.
cot
2
A−1
1−tan
2
A
=
sin
2
A
cos
2
A
−1
1−
cos
2
A
sin
2
A
=
sin
2
A
cos
2
A−sin
2
A
cos
2
A
cos
2
A−sin
2
A
=
cos
2
A
sin
2
A
=tan
2
A
=RHS
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