tan^3a/(1+tan^2a)+cot^3a/(1+cot^2a)=secacoseca-2sinacosa
Nikitaparihar:
what. we have to prove
i am not able to understand what is written
see after = in Q
(^3) power of cube
did you understand now
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i have solved this question.... hope you will understand.
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thanks
it's ok
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