CBSE Class 11-science Answered
Kindly answer the question in detail
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Asked by Varsneya Srinivas | 21 Feb, 2018, 10:49: AM
![begin mathsize 16px style Substituting space straight k equals 2 space rightwards double arrow cosxcos 2 straight y equals 1
and space sinxsin 2 straight y equals 4 space which space is space not space possible.
Hene comma space taking space straight k equals negative 2 space rightwards double arrow cosxcos 2 straight y equals 1 space and space sinxsin 2 straight y equals 0
Both space condition space follows.
straight k equals negative 2 space is space the space answer. end style](https://images.topperlearning.com/topper/tinymce/cache/945bddef3e02ce227e50ca7f75e91dbf.png)
Answered by Sneha shidid | 21 Feb, 2018, 12:32: PM
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