plz guys answer me correctly ??
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Substitute sinA/cosA in place of TanA
And in place to f CotA substitute cosA/sinA
And solve to get the result
And in place to f CotA substitute cosA/sinA
And solve to get the result
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Answer:
Using Trigonometry Identity:
tan A = Sin A/Cos A
Cot A = Cos A / Sin A
Using Algebraic Expression!
(a²-b²)=(a+b)(a-b)
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ohh
that's great
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