Which of the following is true
a) Value of dm (Sin(nx))⁄dxm is always positive for m=0, 1, 4, 5, 8, 9… for 0 < nx < π⁄2 and n<0.
b) Value of dm (Sin(nx))⁄dxm is always positive for m=2, 3, 6, 7, 10, 11… for 0 < nx < π⁄2 and n>0.
c) Value of dm (Sin(nx))⁄dxm is always positive for m=0, 1, 4, 5, 8, 9… for 0 < nx < π⁄2 and n>0.
d) Value of dm (Sin(nx))⁄dxm is always positive for m=2, 3, 6, 7, 10, 11… for 0 < nx < π⁄2 and n<0.?
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Asked by Gbenga on 22nd May, 2018
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