prove that: cos²A+tan²A-1/sin²A=tan²A
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({2}A - Cosec^{2}A =\ \textgreater \ { Cot^{2}A - Cosec^{2}A } + Sec^{2}A
[/tex]
Hence proved that
LHS = RHS
Hence proved that
LHS = RHS
Answered by
13
put value of 1 = sin2 + cos2 and then solve the problem
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