Find the Value of tanlº.tan 2°.tan 3....... tan 180°
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the value of this is 1.
bcoz.. tan1°.tan2°.tan3°..........tan180°
=[tan1°.tan89°][tan2°.tan88°]........
=[tan1°.tan(90-1)°][tan2°.tan(90-2)°..........
=[tan1°.cot1°][tan2°.cot2°]..........
=1.1.1........
=1(ans)....
HOPE IT IS HELPFUL......☆
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