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simply the expression

0 votes

{ (1+tan^(2)A) / (1+cot^(2)A) } is equal to

trigonometric-expressions

asked Jul 5, 2013 in TRIGONOMETRY by harvy0496 Apprentice

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1 Answer

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Using trigonometric identity

tanx=sinx/cosx and cot x =cosx/sinx

Using pythogorus theorem

=tan^2(A)

answered Jul 6, 2013 by bradely Mentor

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