if tan A+cot A = sqrt5, what is the value of tan^ 3 A+cot^3 A?
dhaygude764:
What is the meaning of sqrt5
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by cubing both side
(a+b ) ^3 = a^3 + b^3 +3a^2b +3a b^2
(a+b ) ^3 = a^3 + b^3 +3a^2b +3a b^2
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