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CBSE Class 11-science Answered

i can't understand the logic behind writing trigonometric ratio like this
Asked by | 18 Jul, 2011, 10:23: AM
Expert Answer
If x=n,then sinx=0 (since sinn=0)
so,at x=n the value of cosecx= become not defined .
Therefore,cosecx=.
similarly ,all other cases can be explained.
Answered by | 18 Jul, 2011, 09:13: AM
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