cotA+tan (180+a)+tan(90+a)+ tan (360-a)=0 prove that ????????!!!!!!!::::::;
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cotA+tan(180+A)+tan(90-A)+tan(360-A)
cotA+tanA-cotA-tanA
0
hence proved
cotA+tanA-cotA-tanA
0
hence proved
siddhartharao77:
:-)
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