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CBSE Class 11-science Answered

Kindly answer the question in detail   
Asked by Varsneya Srinivas | 21 Feb, 2018, 10:49: AM
Expert Answer
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
Answered by Sneha shidid | 21 Feb, 2018, 12:32: PM

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