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If f(x)=cosx, then f(x+ pi/2) is equal to A -cosx B 1+cosx C sinx D -sinx E none of the above Provide reasoning.
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If f(x)=cosx, then f(x+ pi/2) is equal to

A -cosx
B 1+cosx
C sinx
D -sinx
E none of the above
Provide reasoning.

User Phuthib
by
4.6k points

1 Answer

6 votes
the answer must be - cospi/2 which is not available in the option
User Blachniet
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