1/1+tan2 A + 1/cot2 A =1
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12
Answer:
it can be written as
1+cot
2
A
1+tan
2
A
=
cosec
2
A
sec
2
A
=
sin
2
A
1
cos
2
A
1
=
cos
2
A
sin
2
A
=tan
2
A
Therefore, Answer is tan
2
A
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