The value of tan 55. + cot 1 co 2 cot3 --- cot90
is =
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answer is 1 because cot 90=0 and tan 45=1
nunu99:
can't u solve this question with full solution
hlo
can I write this method in board exams
sir excuse me please
tan45 +cot1cot2cot3........cot90
=1×cot1cot2cot3.......0
sorry its 1+cot1cot2cot3.....0
=1+0
=1
hope it helps you
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