Application of DerivativeHard
Question
Indicate the correct alternative (s), for
0 < φ
, if x = 
cos2n φ, y = 
sin2n φ and z = 
cos2nφ sin2nφ, then -
0 < φ
, if x = cos2n φ, y = sin2n φ and z = cos2nφ sin2nφ, then -Options
A.xyz = xz + y
B.xyz = xy + z
C.xyz = x + y + z
D.xyz = yz + x
Solution
x = 
y =
z =
above equation satisfy option (B) & (C).
y =
z =
above equation satisfy option (B) & (C).
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