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Asked by Varsneya Srinivas 21st February 2018, 10:49 AM
Answered by 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 Expert 21st February 2018, 12:32 PM
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