Prove the above question
..plz ....
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tan^2 + cot^2 +2
=tan^ +1 +cot^ +1
=sec^2 + cosec^2
=tan^ +1 +cot^ +1
=sec^2 + cosec^2
g1g:
Hey mate why you take +2 there...plz explain this plz....
because 2 × tanx × cotx = 2 × tanx × 1/tanx =2
mate i mean ... Your ans is tan^2+cot^2+2 ...sp why there are additional +2 because tan and cot have their own squares...plz explain if you have time. .
(a + b)^2 = a^2 + b^2 +2
now i understand all sum... Thank you very much mate... Thanks again...
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