Let, and be real. Find the set of all values of for which the sy – McqOptions

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1.	Let, and be real. Find the set of all values of for which the system of equation x + sin y + cos z = 0, x + cos * y + sin * z = 0 , -x + sin y cos z = 0 has a non-trivial solution. For = 1 what are all values of ?
A.	2 = 2n /2 + /2
B.	2 = 2n /2 + /4
C.	2 = 2n /4 + /4
D.	2 = 2n /4 + /2
Answer» D. 2 = 2n /4 + /2

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